EP1129649B1 - Showcase - Google Patents
Showcase Download PDFInfo
- Publication number
- EP1129649B1 EP1129649B1 EP20010300984 EP01300984A EP1129649B1 EP 1129649 B1 EP1129649 B1 EP 1129649B1 EP 20010300984 EP20010300984 EP 20010300984 EP 01300984 A EP01300984 A EP 01300984A EP 1129649 B1 EP1129649 B1 EP 1129649B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- condenser
- blower
- showcase
- unit base
- fixing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0408—Cases or cabinets of the closed type with forced air circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
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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
- F25D23/00—General constructional features
- F25D23/003—General constructional features for cooling refrigerating machinery
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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
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0024—Filters in the air flow cooling refrigerating machinery
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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
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0028—Details for cooling refrigerating machinery characterised by the fans
- F25D2323/00281—Two or more fans
Definitions
- the front end of the top duct 51 opens downward to the front, and an upper discharge port 61 is formed there.
- a series of cool air circulation duct system is constructed that extends from the lower inlet 29 to the cooling chamber 17, and from the cooling chamber 17 to the rear duct 41 and the top duct 51, and further to the upper discharge port 61.
- a drainage port 76 is formed at the left side (as observed facing the adiabatic wall 4) on the front portion of the high portion 4B of the adiabatic wall 4, and a drainage hose 77 comes out of the drainage port 76, penetrates the adiabatic wall 4, and dangles with its bottom end opened onto the drain pan 68.
- the drained water, including the water from defrosting and dew, dripping from the cooler 18 flows down along the high portion 4B into the drainage port 76, further into the drainage hose 77 from the drainage port 76, and is finally drained into the drain pan 68.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Removal Of Water From Condensation And Defrosting (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
- The present invention relates to a showcase comprising a unit base constituting the bottom surface of a machine chamber, a blower provided in the machine chamber and a detachably installed drain pan for receiving water. Such a showcase is known from JP 5-266 330.
- A typical conventional freezer having a blower as disclosed in, for example, Japanese Unexamined Patent Publication No. 5-266330 is formed of a freezing machine installed in a cabinet. A drain pan is provided at the bottom of the unit base to which the freezing machine has been installed, and a blower than blows hot air utilizing the waste heat from a condenser onto the drained water gathered in the drain. In some conventional freezers, the unit base has ventilation ports for introducing hot air to the drain pan.
- In such a conventional example, however, if the blower fails, the screws securing the blower to the unit base could not be removed from the back of the machine chamber, because the blower cannot be accessed from the back. Therefore, replacing the blower has been extremely difficult, requiring extensive work, e.g. removing the entire unit base from the main body of the freezer, if the blower malfunctions.
- The present invention has been made with a view toward solving the problem with the prior art described above, and it is an object of the present invention to provide a showcase that has a unit base provided with an aperture that is usually plugged by a drain pan and unplugged if failure of a blower occurs so as to allow the blower to be removed through the unplugged hole, thus permitting easier replacement of a blower.
- A showcase according to the present invention is characterised in that the unit base is provided with an aperture for allowing the blower to be taken out and the aperture is covered by the drain pan.
- According to the present invention, the aperture provided in the unit base is usually plugged by the drain pan; hence, hot air from a condenser flows above the drain pan, promoting the evaporation of drain water, and if the blower should fail, then the drain pan is removed to take out the blower through the drilled hole, permitting easier replacement of the blower.
- In a preferred form of the showcase according to the present invention, a fixing plate for fixing the blower to the condenser in the machine chamber is provided, an upper engaging portion of the fixing plate is retained on an upper locking portion of the condenser, and a lower portion of the fixing plate is secured to a lower portion of the condenser by a screw.
- With this arrangement, the blower can be replaced even more easily. To secure the fixing plate, which secures the blower, to the condenser, the engaging portion of the fixing plate that is located farther from the drilled hole in the unit base is locked onto the locking portion of the condenser, then only the lower portion of the fixing plate that is located closer to the drilled hole of the unit base is secured to the lower portion of the condenser by a screw, thus allowing the fixing plate to be easily secured to the condenser.
- In another preferred form of the showcase according to the present invention, the locking portion is formed by at least a sandwiching member that is provided on an upper portion of the condenser and sandwiches a securing portion, and a protuberance provided facing against the sandwiching member.
- With this arrangement, the locking portion of the fixing plate that secures the blower is held between the protuberance and the sandwiching member, preventing vibration from taking place caused by loosening of the fixing plate due to the revolution of the blower. In addition, the protuberance and the sandwiching member have simple structures and can be easily fabricated.
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- Fig. 1 is a front view of a showcase in accordance with the present invention;
- Fig. 2 is a side view of the showcase in accordance with the present invention;
- Fig. 3 is a rear view of the showcase in accordance with the present invention;
- Fig. 4 is a rear view of the showcase in accordance with the present invention, wherein a rear panel has been removed;
- Fig. 5 is a longitudinal sectional side view of the showcase in accordance with the present invention;
- Fig. 6 is a plane cross-sectional view of a machine chamber of the showcase in accordance with the present invention;
- Fig. 7 is a detailed view of an essential section of the machine chamber of Fig. 5 taken at the line A-A;
- Fig. 8 is a top cross-sectional view of the essential section of Fig. 7, from which a drain pan and an evaporation plate have been removed;
- Fig. 9 is a side view of an essential section, showing a unit base, a condenser, a condenser blower, a fixing plate, a drain pan, and the evaporation plate;
- Fig. 10 is a side view of an essential section illustrating a process for replacing the condenser blower;
- Fig. 11 is a detailed view of portion A of the essential section of Fig. 9; and
- Fig. 12 is a detailed view of an essential section illustrating a process for removing the fixing plate from a locking portion of the condenser.
- An embodiment in accordance with the present invention will now be described in conjunction with the accompanying drawings.
- A
showcase 1 is a desk-top showcase mounted on a cash register counter in, for example, a convenience store. Theshowcase 1 is primarily comprised of anadiabatic wall 4 mounted on aunit base 3 of a bottom section, abottom plate 6 mounted on theadiabatic wall 4 and made of a hard resin,side plates unit base 3, atop plate 8 hung between the upper ends of theside plates door 11 that closes anopening 9 at a rear surface surrounded by the rear edges of thebottom plate 6, theside plates top plate 8 such that the opening 9 can be opened and closed. Adisplay compartment 13 includes a space surrounded by thedoor 11, thetop plate 8, theside plates bottom plate 6, and anopening 12 at the front thereof. - The space inside the
unit base 3 under theadiabatic wall 4 provides amachine chamber 14.Reference numeral 16 denotes enforcing brackets installed at right and left of theunit base 3.Reference numerals - The
adiabatic wall 4 has a stepped shape with low front and high rear, thus having alow portion 4A at its front and ahigh portion 4B at its rear. Thelow portion 4A gently inclines toward the rear, while thehigh portion 4B gently inclines toward the front. Alongitudinal wall portion 4C connecting thehigh portion 4B and thelow portion 4A is formed of a slant wall with its upper part slightly inclining backward. - The
bottom plate 6 is installed such that it covers theadiabatic wall 4 and theunit base 3, being spaced away from thelow portion 4A, thehigh portion 4B, and thelongitudinal wall portion 4C of theadiabatic wall 4. Thus, in a similar manner, alow portion 6A at the front, ahigh portion 6B at the rear, and alongitudinal wall portion 6C located between the former two are constructed. Furthermore, acooling chamber 17 extending from front bottom to rear top is formed between thebottom plate 6 and theadiabatic wall 4. Acooler 18 constituting a refrigerating cycle of a cooling apparatus R is horizontally provided in thecooling chamber 17 on thehigh portion 4B, and ablower 19 is provided in thecooling chamber 17 at the front center of thelongitudinal wall portion 4C. - A
cooler partitioner 21 extending from the top surface of thecooler 18 to the top of thelongitudinal wall portion 6C is installed in thecooling chamber 17, an interval being provided between thecooler partitioner 21 and thebottom plate 6. Aguard 6D for preventing products from falling is vertically provided integrally on the upper edge of thelongitudinal wall portion 6C of thebottom plate 6, and alower discharge port 22 is formed at the lower side thereof. Thecooler partitioner 21 continues to the lower edge of thelower discharge port 22, thereby constituting alower discharge duct 23, which extends from the rear of thecooler 18 to thelower discharge port 22, between thecooler partitioner 21 and thebottom plate 6.Reference numeral 24 denotes a fan case mounted around theblower 19. - The
longitudinal wall portion 6C of thebottom plate 6 is also formed to be a slope wall with its top slightly leaning backward, adischarge guide 26 that conceals thelower discharge port 22 being installed on the front surface thereof. Thelongitudinal wall portion 6C opens downward, and aprotuberance 27 is integrally formed below thelower discharge port 22. Thelow portion 6A of thebottom plate 6 also inclines down gently backward, and its front portion is bent down to the front, aninlet 29 being formed at the bent front portion. A planefluorescent lamp 31, which has been disclosed in Japanese Unexamined Utility Model No. 5-43458, is vertically provided at the front of theinlet 29, and located at the bottom edge of the opening 12 of thedisplay compartment 13. The planefluorescent lamp 31 emits light to the front and back, and is provided with a predetermined advertisement display on its front surface. - The
high portion 6B of thebottom plate 6 also gently inclines so that it is taller toward the rear, and its rear end portion is stepped downward. Arear wall portion 33 located behind thecooler 18 has acommunication aperture 32. Therear wall portion 33 of thebottom plate 6 that has thecommunication aperture 32 is formed of a slope surface having its top being the front side. - The
door 11 is constructed by charging anadiabatic material 38 between anouter plate 36 and aninner plate 37 both made of a hard resin, and pivotally and rotatably supported, for example, by thetop plate 8 and thebottom plate 6 by means ofhinges 39 at its top and bottom on the right side as observed from the rear. A space is provided between theadiabatic material 38 andinner plate 37, and arear duct 41 vertically extending is formed in the space. - An
adiabatic material 48 is also installed inside thetop plate 8. Aninner plate 49 is installed under theadiabatic material 48 with a gap provided therebetween, and atop duct 51 is constructed between theinner plate 49 and theadiabatic material 48. - The front end of the
top duct 51 opens downward to the front, and anupper discharge port 61 is formed there. With this arrangement, when thedoor 11 is closed, a series of cool air circulation duct system is constructed that extends from thelower inlet 29 to thecooling chamber 17, and from thecooling chamber 17 to therear duct 41 and thetop duct 51, and further to theupper discharge port 61. - The configuration inside the
machine chamber 14 will now be described. A plurality of stages of slit-shaped exhaust ports 3A are formed in the front surface and the right and left side surfaces of theunit base 3, and the rear surface of theunit base 3 have an opening. The opening is closed by therear panel 2 such that it can be opened and closed. Theunit base 3 has a substantiallyrectangular hole 92 drilled in a surface thereof under adrain pan 68, which will be discussed later. Theunit base 3 located under theadiabatic wall 4, as a while, is closed except for the drilledhole 92. The drilledhole 92 is closed when thedrain pan 68 is installed. Furthermore, the drilledhole 92 is sufficiently large to let thecondenser blower 69 pass therethrough. - In the
machine chamber 14 constructed in theunit base 3, there are installed acompressor 63, acondenser 64, and a capillary tube (pressure reducing device) 66 making up a refrigerating cycle of the cooling apparatus R together with the cooler 18. Furthermore, acontrol box 67 for accommodating a control board, thedrain pan 68, acondenser blower 69, etc. are also installed in themachine chamber 14. - In this case, as shown in Fig. 6, the
compressor 63 is installed on the right at back, and thecondenser 64 is installed on the left at back in themachine chamber 14, as observed facing themachine chamber 14. Thecondenser blower 69 is secured in front of thecondenser 64 by a fixingplate 93, which will be described hereinafter.Reference numeral 63D denotes a discharge pipe of thecompressor adiabatic wall 4 has thelower portion 4A at its front, and thehigh portion 4B at its back, so that themachine chamber 14 is lower at its front and higher at its back. Hence, thecompressor 63 and thecondenser 64, which are bulky, are provided side by side by making use of the tall portion of themachine chamber 14. - The
condenser 64 and thecondenser blower 69 are installed such that they are spaced above the bottom surface of theunit base 3 by a mountingplate 72 substantially shaped like a gate. Thedrain pan 68 is removably inserted through an opening in the rear surface, and placed under thecondenser 64 and thecondenser blower 69.Reference numeral 73 denotes an evaporation plate included in thedrain pan 68 and formed of a water-absorbing member to enhance the evaporation of drained water, which will be discussed hereinafter. - The fixing
plate 93 for securing thecondenser blower 69 to thecondenser 64 is substantially U-shaped, and has a mountingportion 94 to which theblower 64 is secured, upper and lowerhorizontal portions portion 94, and an upper flange (engaging portion) 96 and alower flange 97 that vertically extend from thehorizontal portions lower flange 97 has a mountinghole 98 drilled therein. Thecondenser 64 has a sandwichingmember 80 welded thereto, and the sandwichingmember 80 has a securedportion 83 welded to thecondenser 64, abent portion 84 that extends, being bent at right angles to the securedportion 83, and a sandwichingportion 85 that further extends downward from thebent portion 84. Furthermore, a restrictingportion 86 surrounding theupper flange 96 of the fixingplate 93 and a secondsecured portion 87 welded to thecondenser 64 are formed on a side surface of the sandwichingportion 85, as shown in Fig. 7 and Fig. 11. An upper portion of thecondenser 64 is provided with aprotuberance 88 opposing the sandwiching the sandwichingportion 85 and having a shape of a "dowel," a lockingportion 89 being constituted by the sandwichingmember 80 and theprotuberance 88. Tapped holes (not shown) are provided in a lower portion of thecondenser 64. - In such a configuration, the
upper flange 96 of the fixingplate 93 is inserted in the lockingportion 89 of thecondenser 64, and secured byscrews 90, using the mountinghole 98 in the lower portion of the securingplate 93. Thescrews 90 are inserted in the tapped holes in the lower portion of thecondenser 64. Thus, thecondenser blower 69 is secured to thecondenser 64. - An
intake port 2A in which afilter 74 has been installed is formed in a portion associated with thecondenser 64 of the rear panel 2 (the portion is located on the right side as observed from the rear). Amotor 19M for driving theblower 19 is installed in themachine chamber 14 at the rear of thelongitudinal wall portion 4C of theadiabatic wall 4, and disposed between thecompressor 63 and thecondenser 64. The rotating shaft of themotor 19M is coupled to theblower 19, penetrating thelongitudinal wall portion 4C. - Furthermore, a
drainage port 76 is formed at the left side (as observed facing the adiabatic wall 4) on the front portion of thehigh portion 4B of theadiabatic wall 4, and adrainage hose 77 comes out of thedrainage port 76, penetrates theadiabatic wall 4, and dangles with its bottom end opened onto thedrain pan 68. The drained water, including the water from defrosting and dew, dripping from the cooler 18 flows down along thehigh portion 4B into thedrainage port 76, further into thedrainage hose 77 from thedrainage port 76, and is finally drained into thedrain pan 68. - The
compressor 63, thecondenser 64, thecondenser blower 69, thedrain pan 68, thecontrol box 67, and themotor 19M are disposed as described above, so that these units can be orderly installed in thesmall machine chamber 14 without interfering with each other. - The
showcase 1 constructed as described above is rested on a cash register counter of a convenience store. A product V, such as a bottled or canned beverage, is accommodated and displayed in thedisplay compartment 13. In this case, the product V is put in the display compartment from theopening 12 on the front and placed on thelow portion 6A on the front side of thelongitudinal wall portion 6C of thebottom plate 6, as shown in Fig. 5. Thus, thelow portion 6A provides the display surface of the lowermost stage. At this time, since thelow portion 6A slightly inclines downward toward the back, the product V leans against theprotuberance 27 or thedischarge guide 26 at the back rather than falling toward the front. - To place the product V on the
high portion 6B of thebottom plate 6 that provides a display surface of a middle stage (or the uppermost stage if ashelf 91 is not provided) or on theshelf 91 that provides the display surface of the uppermost stage, thedoor 11 on the rear surface is opened and the product V is put in the display compartment through theopening 9. At this time, since thehigh portion 6B and theshelf 91 are slightly inclined downward toward the front, the products V can be smoothly accommodated in succession from the rear. Furthermore, since thehigh portion 6B and theshelf 91 are inclined downward toward their front, customers can see the products V more easily, and when a customer takes out the product V on the front row, the product V behind it will be automatically moved to the front row. - When the power of the showcase is turned ON to start operation, the
plane fluorescent lamp 31 will first turns ON to light up advertisement characters or the like at the front, while illuminating the interior of thedisplay compartment 13 at the rear at the same time. When thecompressor 63, themotor 19M of theblower 19, and thecondenser blower 69 are actuated, a gas refrigerant of high temperature and pressure discharged from the dischargingpipe 63D of thecompressor 63 flows into thecondenser 64 wherein it is condensed and liquefied by outside air supplied by thecondenser blower 69. The condensed liquefied refrigerant is decompressed by thecapillary tube 66, then passed into the cooler 18 where it evaporates. - At this time, the refrigerant deprives the air in the cooling
chamber 17 of heat, thereby exhibiting its cooling effect. The refrigerant leaving the cooler 18 is suctioned into thecompressor 63 through theintake pipe 63S, and compressed again. Theblower 19, when it is actuated, suctions air through theinlet 29 and discharges it toward the cooler 18, as indicated by the arrows shown in Fig. 5. As previously mentioned, the cold air in the coolingchamber 17 that has been cooled by performing heat exchange with the cooler 18 goes out through acommunication aperture 32 and enters into therear duct 41 through acommunication aperture 43. The cold air then moves up in therear duct 41 and enters thetop duct 51 throughcommunication apertures discharge port 61 toward thefront opening 12 of thedisplay compartment 13. - The cold air discharged from the
discharge port 61 moves toward theinlet 29 while forming an air curtain at theopening 12, and is suctioned into theinlet 29 by the suction force of theblower 19 by being guided by theplane fluorescent lamp 31. A part of the air curtain is circulated in thedisplay compartment 13 to cool the interior of thedisplay compartment 13 to a predetermined temperature. A part of the cold air leaving the cooler 18 enters thelower discharge duct 23, moves forward therein, and is discharged to the front of thelongitudinal wall portion 6C from thelower discharge port 22. - Usually, the cooling effect on the
low portion 6A of the display surface of the lowermost stage, which is located farther from thedischarge port 61, tends to deteriorate. As set forth above, however, the cold air is directly supplied from thelower discharge port 22, thereby solving the deteriorated cooling effect problem. Furthermore, thelower discharge port 22 is provided with thedischarge guide 26, and theprotuberance 27 is formed therebelow; hence, the discharge of the cold air from thelower discharge port 22 or the circulation of the cold air will not be interfered with by the product V on thelow portion 6A. - When the
condenser blower 69 is actuated, outside air is suctioned through theinlet 2A of therear panel 2, passed through thecondenser 64, and blown to thedrain pan 68 at the front. This causes the drained water in thedrain pan 68 to evaporate. At this time, the drilledhole 92 provided in theunit base 3 is closed by thedrain pane 68 that has been installed, thereby preventing the outside air from entering through the drilledhole 92 and disturbing the hot air of thecondenser 64. This enables the hot air to smoothly flow above thedrain pan 68 and theevaporation plate 73 so as to expedite the evaporation of the drained water. A part of the air that has turned into hot air after cooling thecondenser 64 or the hot air generated by thecompressor 63 flows out of theexhaust port 3A around theunit base 3, while the rest of the hot air reachescutouts 3B at the rear on both sides of theunit base 3 to flow outside through thecutouts 3B. The hot air coming out of thecutouts 3B flows along theside plate 7 to heat the side plate thereby to prevent dews from being formed thereon. - The following will describe the procedure for replacing the
condenser blower 69 if it fails. As mentioned above, theadiabatic wall 4 has thelow portion 4A at its front and thehigh portion 4B at its rear, so that themachine chamber 14 is lower at its front and higher at its rear. This prevents the hand or fingers from the front of theshowcase 1, making it impossible to replace thecondenser blower 69. The fixingplate 93 securing thecondenser blower 69 to thecondenser 64 is located at the back side of thecondenser 64 as observed from the rear surface side of the showcase 1 (on the front side of the showcase), making it impossible to remove thecondenser blower 69 from the rear of theshowcase 1, either. However, theunit base 3 is provided with the drilledhole 92 that is sufficiently large to let thecondenser blower 69 pass therethrough. In addition, theshowcase 1 is lightweight so that it can be rested on a cash register counter at a convenience store, allowing theshowcase 1 to be placed on the floor with its back surface facing down. First, therear panel 2 is removed, thedrain pan 68 is taken out from the rear of theshowcase 1, then the products V, such as bottled or canned beverages are taken out of thedisplay compartment 13. Theshowcase 1 is then placed on the floor with its back surface facing down. As previously mentioned, the back surface is provided withresinous spacers showcase 1 from coming into direct contact with the floor, thus protecting both theshowcase 1 and the floor from being scratched. Next, a tool is inserted through the drilledhole 92 provided in theunit base 3 to remove thescrews 90 securing the lower portion of the fixingplate 93, and theupper flange 96 is detached from the lockingportion 89 of the condenser 64 (Fig. 12), then thecondenser blower 69 and the fixingplate 93 is taken out of the drilledhole 92. Thecondenser blower 69 is detached from the fixingplate 93, and replaced by a nondefective one. - Thereafter, the
new condenser blower 69 and the fixingplate 93 are first inserted through the drilledhole 92 formed in theunit base 3, the upper portion of the fixingplate 93 is held by the lockingportion 89 of thecondenser 64, and the lower portion of the fixingplate 93 is secured by thescrews 90. Theshowcase 1 is raised back, the products V, such as the bottled or canned beverages, are placed back into thedisplay compartment 13. Thereafter, thedrain pan 68 is inserted from the rear of theshowcase 1, and the drilledhole 92 formed in theunit base 3 is closed. Lastly, therear panel 2 is reinstalled. - Thus, since the drilled
hole 92, which is usually closed by thedrain pan 68, is formed in theunit base 3, the hot air from thecondenser 64 flows above thedrain pan 68, expediting the evaporation of drained water. In addition, if thecondenser blower 69 should fail, thecondenser blower 69 can be take out through the drilledhole 92, permitting easier replacement of thecondenser blower 69. - Moreover, as previously mentioned, since the
protuberance 88 is provided, and the sandwichingmember 80 and theprotuberance 88 constitute the lockingportion 89, the above replacing work can be easily accomplished, and thescrews 90 of the fixingplate 93 do not loosen due to the revolution of thecondenser blower 69, thus restraining vibrations or noises from being produced. - Thus, as described above in detail, according to the present invention, the unit base of the showcase has the drilled hole that is usually closed by the drain pan, and if the blower should fail, the blower can be taken out through the drilled hole, permitting easy replacement of the blower. Moreover, easy locking onto the locking portion allows the replacement to be easily accomplished. Furthermore, the screws of the fixing plate do not loosen due to the revolution of the condenser blower, so that vibrations or noises can be restrained.
Claims (3)
- A showcase comprising a unit base (3) constituting the bottom surface of a machine chamber (14), a blower (69) provided in the machine chamber (14) and a detachably installed drain pan (68) for receiving drained water characterised in that the unit base (3) is provided with an aperture (92) for allowing the blower (69) to be taken out, and the aperture (92) is covered by the drain pan (68).
- A showcase according to claim 1 further comprising a fixing plate (93) for fixing the blower (69) to a condenser (64) in the machine chamber (14), wherein an upper engaging portion (96) of the fixing plate (93) is retained on an upper locking portion (89) of the condenser (64) and a lower portion (97) of the fixing plate (93) is secured to a lower portion of the condenser by a screw (90).
- A showcase according to claim 2 wherein the locking portion (89) is formed by at least a sandwiching member (80) that is provided on an upper portion of the condenser (64) and sandwiches a securing portion (96) and a protuberance (88) provided facing against the sandwiching member.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000043938 | 2000-02-22 | ||
JP2000043938A JP3831568B2 (en) | 2000-02-22 | 2000-02-22 | Showcase |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1129649A2 EP1129649A2 (en) | 2001-09-05 |
EP1129649A3 EP1129649A3 (en) | 2002-03-20 |
EP1129649B1 true EP1129649B1 (en) | 2007-03-28 |
Family
ID=18566776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20010300984 Expired - Lifetime EP1129649B1 (en) | 2000-02-22 | 2001-02-05 | Showcase |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1129649B1 (en) |
JP (1) | JP3831568B2 (en) |
CN (1) | CN1133389C (en) |
DE (1) | DE60127481T2 (en) |
SG (1) | SG90235A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US6701739B2 (en) * | 2002-06-12 | 2004-03-09 | Tecumseh Products Company | Modular refrigeration system for refrigeration appliance |
KR100566715B1 (en) * | 2003-09-25 | 2006-04-03 | 주식회사 시공테크 | Showcase with 5 sides glass for cultural assets |
JP4621567B2 (en) * | 2005-09-12 | 2011-01-26 | 株式会社東芝 | refrigerator |
JP2007205633A (en) * | 2006-02-01 | 2007-08-16 | Sanden Corp | Freezing/refrigerating case |
JP4895848B2 (en) * | 2007-02-08 | 2012-03-14 | 三洋電機株式会社 | Cooling system |
JP2009079878A (en) * | 2007-09-27 | 2009-04-16 | Sanyo Electric Co Ltd | Showcase |
DE202011003194U1 (en) | 2011-01-25 | 2011-08-01 | Franz Hilberer | Device for cooling food |
JP2012242006A (en) * | 2011-05-20 | 2012-12-10 | Mitsubishi Electric Corp | Showcase |
JP2014025669A (en) * | 2012-07-30 | 2014-02-06 | Mitsubishi Electric Corp | Showcase |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3736768A (en) * | 1971-06-29 | 1973-06-05 | Westinghouse Electric Corp | Machine compartment arrangement for a refrigerating device |
DE3503511A1 (en) * | 1985-02-02 | 1986-08-07 | Bauknecht Hausgeräte GmbH, 7000 Stuttgart | BASE FOR A BUILT-IN FRIDGE |
GB2227302A (en) * | 1989-01-09 | 1990-07-25 | Fawn Eng Corp | Vending machine refrigeration system |
US5678421A (en) * | 1995-12-26 | 1997-10-21 | Habco Beverage Systems Inc. | Refrigeration unit for cold space merchandiser |
-
2000
- 2000-02-22 JP JP2000043938A patent/JP3831568B2/en not_active Expired - Fee Related
- 2000-12-25 CN CNB001364332A patent/CN1133389C/en not_active Expired - Fee Related
-
2001
- 2001-02-05 DE DE2001627481 patent/DE60127481T2/en not_active Expired - Fee Related
- 2001-02-05 EP EP20010300984 patent/EP1129649B1/en not_active Expired - Lifetime
- 2001-02-16 SG SG200100867A patent/SG90235A1/en unknown
Also Published As
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SG90235A1 (en) | 2002-07-23 |
DE60127481T2 (en) | 2007-12-13 |
CN1309941A (en) | 2001-08-29 |
CN1133389C (en) | 2004-01-07 |
EP1129649A2 (en) | 2001-09-05 |
EP1129649A3 (en) | 2002-03-20 |
DE60127481D1 (en) | 2007-05-10 |
JP3831568B2 (en) | 2006-10-11 |
JP2001235269A (en) | 2001-08-31 |
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