CN1178614C - Low-temp goods show-case - Google Patents

Abstract

To improve the effects of preventing dew condensation on the front surfaces of glass doors by preventing dew condensation on the front glass door and effectively circulating warm air to the rear glass door. This low-temperature showcase (S) is provided with the sliding-door-type glass doors (52, 53) to opening/closing-freely block the front opening of a storage room (3), a machine room (7) located below the storage room (3) and provided with a fan for a condenser, and a machine room cover (33) located in the front of the machine room (7). A blow-out part (39) for outblowing upward is formed at the upper part of the machine room cover (33) on the side of the front-side glass door (52), and blow-out parts (40) for outblowing upward and backward are each formed at the upper part of the machine room cover (33) on the side of the rear-side glass door (53). Air blown out from the fan (28) for a condenser is blown out from the blow-out parts (39, 40) toward the front surfaces of the glass doors (52, 53).

Description

Low-temp goods showing cabinet

Technical field

But the present invention relates to the low-temp goods showing cabinet of the front openings of the plug-type door freely openable ground sealing storeroom of a kind of usefulness.

Background technology

Present this low-temp goods showing cabinet particularly displays the goods showing cabinet of drink and food etc.For example the spy opens shown in the flat 9-101075 communique, front openings with heat insulating box of storeroom can be sealed on freely openable ground by the glass door that can have an X-rayed, bottom outside heat insulating box is provided with the Machine Room, the compressor, condenser, condenser that the freeze cycle that constitutes cooling device is set in this Machine Room is with fan etc., and the cooler that constitutes same freeze cycle is set in storeroom, by this cooler with the low temperature that is cooled in the storeroom stipulate.

When such storeroom cooled off, door glass inner face and doorframe all can be blown pouring by cold air.On the other hand, because the thermal insulation of glass door has certain limit, so, condense on the front surface and doorframe of a glass in any case the moisture in the outer gas all can dewfall.In case dewfall, the visuality of glass door just suffers damage, and also suffers because therefore the infringement that the water droplet that the doorframe dewfall forms falls the table top and so on of getting wet adopts electric heater to come heated door glass and doorframe at present.

But, cause the increase of goods showing cabinet electric power consumption by the heating of heater.Therefore aforementioned communique is considered, with discharge portion pass mechanical chamber cap above, partly eject the heating installation of self cooling condenser by exhaust outlet with fan, therefore make the glass door front surface be not easy dewfall.

Summary of the invention

But in present structure, only exhaust portion is passed mechanical chamber cap above, therefore the heating installation that rises from exhaust portion diffuses away immediately, does not reach the glass door front.Therefore there is the problem that can not effectively prevent dewfall.

But and when sealing the low-temp goods showing cabinet of storeroom front openings with sliding glass door freely openable ground, particularly the glass door of back is compared with the glass door of front side, distance apart from exhaust portion, therefore the strong influence of the glass door of its rear side storeroom that is subjected to being cooled in addition exists the problem that can not fully prevent dewfall on glass surface.

Between forward and backward glass door,, it is pre-formed at interval in addition for smoothly being moved smoothly, at closing time, each glass door is vacated the space between the overlapped limit, therefore can be from the cold air of this slot leakage storeroom, perhaps make outer gas cut go into storeroom, dewfall usually on glass surface.

The object of the present invention is to provide a kind of low-temp goods showing cabinet, it is to propose for solving present technical task, can be used to the self cooling condenser air with fan, very eliminates the dewfall of the sliding glass door of rear side effectively.

Low-temp goods showing cabinet according to first aspect present invention comprises: the storeroom that constitutes in heat insulating box, but the sliding glass door of the front openings of this storeroom of freely openable ground sealing, be positioned at aforementioned storeroom below and in the Machine Room of formation aforementioned heat insulating box outside, be arranged on the compressor in this Machine Room, condenser and condenser fan, but with the front of the aforementioned Machine Room of freely openable ground sealing and be positioned at the mechanical chamber cap of the below of aforementioned glass door, when vertical component effect is formed at the top of aforementioned mechanical chamber cap, this vertical component effect and aforementioned heat insulating box exist at interval, the discharge portion of exhaust is formed on aforementioned Machine Room upper part of the cover simultaneously upward from this interval, be positioned on the aforementioned vertical component effect of rear glass reveal and wear steam vent, formation is from the discharge portion of aforementioned steam vent exhaust rearward, and the air that aforementioned condenser is discharged with fan blows to the front of aforementioned glass door from aforementioned discharge portion.

The exhaust portion of exhaust is upward formed at the top of the mechanical chamber cap of front glass reveal in aforementioned glass door, form upward the exhaust portion with the rear exhaust on the top of rear glass reveal machinery chamber cap, the air of being discharged with fan by aforementioned condenser is from the front of aforementioned exhaust portion row to aforementioned glass door.

According to a first aspect of the present invention, in the future self cooling condenser with the air of fan at the sliding glass door of front side upward to discharge, on the other hand, compare with the glass door of front side, be positioned on exhaust outlet distance rear side sliding glass door far away, can point to and tiltedly go up the rear discharge, therefore can either prevent the dewfall of front glass door, can eliminate the dewfall of rear glass door again more effectively.

According to the low-temp goods showing cabinet of second aspect present invention, in described low temperature commodity display box, constitute by the exhaust outlet that a side capacity that makes glass surface temperature step-down increases to the exhaust portion of aforementioned rear exhaust.

According to a second aspect of the present invention, because row's of making air of the pull-type glass door direction of thruster is backward discharged in a large number by the glass surface that becomes low temperature, so that this become near the glass surface (for example corresponding glass surface) of low temperature with exhaust outlet the place ahead of cooler, owing to current of warm air becomes warmer, thereby can prevent dewfall more effectively.

Low-temp goods showing cabinet according to third aspect present invention, in describedization low temperature commodity display box, the exhaust portion of aforementioned exhaust rearward, the exhaust outlet that is increased by near the capacity the approximate vertical limit that makes each glass door that is forward lapping under the state of aforementioned glass door sealing constitutes.

According to a third aspect of the present invention, when each glass door is closed, goods showing cabinet for push-pull door, its each glass door produces the slit between overlapped limit, even the cold air of storeroom leaks from this slit, or outer gas cut goes into storeroom, also can be under the glass door closing state, near the roughly flap of each windowpane that forward laps capacity is increased, thereby can reduce or stop dewfall on glass surface effectively.

Description of drawings

Fig. 1 is the oblique view as the low-temp goods showing cabinet that is fit to embodiments of the invention.

Fig. 2 is the longitudinal plane view of low-temp goods showing cabinet of the present invention.

Fig. 3 is the low-temp goods showing cabinet machinery chamber cap upper right quarter significant points longitudinal plane view of the A-A section of expression Fig. 1 of the present invention.

Fig. 4 is the low-temp goods showing cabinet machinery chamber cap upper left quarter pith longitudinal plane view of the B-B section of expression Fig. 1 of the present invention.

Fig. 5 is the local oblique view as the low-temp goods showing cabinet of other embodiments of the invention.

The specific embodiment

Following according to drawing detailed description embodiments of the invention.Fig. 1 is the oblique view that is applicable to the low-temp goods showing cabinet S of embodiments of the invention, Fig. 2 is the longitudinal plane view of low-temp goods showing cabinet S, Fig. 3 is the pith longitudinal plane view (the A-A section of Fig. 1) of the mechanical chamber cap upper right quarter of low-temp goods showing cabinet S, Fig. 4 is the significant points longitudinal side view profile (the B-B section of Fig. 1) of low-temp goods showing cabinet lid upper left quarter, and Fig. 5 is the local oblique view of the low-temp goods showing cabinet S of another embodiment of the present invention.

The low-temp goods showing cabinet S of embodiment have by inside front openings 2 storeroom 3 heat insulating box 4 and to be formed on the heat insulating box 4 of aforementioned storeroom 3 downsides outer and also have formations such as Machine Room 7 of front openings 6.There is the back side and the interval of heat insulating box 4 in the rear portion in aforementioned storeroom 3, and dividing plate 8 is installed, and forms ventilation duct 11 between this dividing plate 8 and heat insulating box 4.

And the cooler 13 that constitutes the well-known refrigerant loop of cooling device freeze cycle vertically is arranged in this ventilation duct 11, and the topmost of ventilation duct 11 is communicated with storeroom 3 by the exhaust outlet 14 that is formed on storeroom 3 tops simultaneously.And the cooling fan 16 of discharge type is arranged in the ventilation duct 11 of these exhaust outlet 14 inside.Several layers of commodity display are erected at frame 17 in the storeroom 3 in dividing plate 8 the place aheads, and frame 17 downsides of foot are communicated with the air entry 18 of ventilation duct 11 lower ends.Therefore the cold air in the storeroom 3 utilizes cooling fan 16 air-breathing from air entry 18, is drawn into cooler 13 directions.And the cold air of device 13 coolings that are cooled carries out from the circulation of cold air exhaust outlet 14 to storeroom 3 ejections.

The upper and lower upper rail frame 54 and the bottom rail frame 55 of being provided with of opening 2 in front has the interval of regulation each other, respectively downwards, the top is outstanding, form simultaneously through about two guide rails 58,59 in front and back.

The front openings 2 of storeroom 3, but plug-type front glass door 52 and the sealing of glass door 53 freely openable ground, back that embeds upper rail 54, bottom rail 55 utilized.

This front glass door 52 and back glass door 53 respectively by around frame shape pane 56,57 and the two-layer clear glasses 21,21 that embed in this pane 56,57 form, therefore front glass door 52 is installed in front side track 58, back glass door 53 is installed in back siding track 59, and they be can move freely along left and right directions, utilize the move left and right of this glass door, can freely openable ground the opening 2 of sealing storeroom 3.

Therefore under two glass doors, 52,53 closing state, the pane 57 of the pane 56 of front glass door 52 left side 52C and back glass door 53 the right 53C forward laps.And in order to prevent each glass door 52,53 contacting when mobile between the back of front glass door 52 left side 52C panes 56 and the back glass door 52 the right 53C panes 57, and a little is set at interval.Other 25 are arranged on the pane 56 of front glass door 52 and the handle of the pane 57 of back glass door 52.

On the other hand, the compressor 26 in the refrigerant loop that constitutes aforementioned freeze cycle and condenser 27 etc. are set in aforementioned Machine Room 7, condenser also are set simultaneously with fan 28.At this moment condenser 27 is positioned at the substantial middle position of opening 6 left and right directions, and is arranged on the base 29, and condensation simultaneously is arranged on condenser 27 rear sides with fan 28, has again, and the compressor 26 of condenser 27 rear sides is arranged on the base 29.

Aforementioned condenser is pressure fans of attraction type with fan 28, be installed in the rear end of the fan cover 31 that rearward extends from condenser 27, when therefore condenser is with fan 28 operations, the air of condenser 27 front sides is sucked in the condenser 27, blow to the compressor 26 at rear through this condenser 27 and condenser with fan 28, can impel condenser 27 and compressor 26 heat releases whereby.The back of Machine Room 7 is by closure plate 32 sealings in addition, and mechanical chamber cap 33 is installed on the front openings 6 of Machine Room 7 simultaneously, and is positioned at the below of top front glass door 52, back glass door 53.

This machinery chamber cap 33 is flat steel plate by front surface to be made, and the air entry 44...... of perforation is arranged on its front surface.Hinge 36 is installed in the forward lower part of the lower edge and the base 29 of this machinery chamber cap 33 in addition, and mechanical chamber cap 33 can rotate freely the ground pivot suspension by this hinge 36.Magnet 34 is installed in the top of mechanical chamber cap 33 in addition, but by magnetic force with mechanical chamber cap 33 freely openables be fixed on the heat insulating box 3.And this from upper end, the position, front of mechanical chamber cap rearward slightly the rake 37 of high dip be formed on the top of mechanical chamber cap 33, be formed on interval with heat insulating box 3 from the approximate vertical portion 38 that this rake 37 generally perpendicularly extends downwards in addition and cover 33 top.Therefore the rear portion of the approximate vertical portion 38 of the front side of front glass door 52 and back glass door 53 forms the exhaust portion 39 of exhaust upward on the roughly whole fabric width of crossing over mechanical chamber cap 33.In the front side approximate vertical portion 38 of back glass door 53, also run through exhaust outlet 40 and form rear exhaust outlet 41 in addition.

By mechanical chamber cap 33 is installed on the opening 6 of Machine Room 7, the forward position of fan cover 31 is contacted with the top of the air entry 44...... of mechanical chamber cap 33.Be communicated with the place ahead of mechanical chamber cap 33 by condenser 27 and condenser fan 28 in the Machine Room 7 whereby, be communicated with mechanical chamber cap 33 tops by top exhaust portion 39 and rear exhaust outlet 41 simultaneously.

In above formation, compressor 26, condenser turn round with fan 28 and cooling fan 16 1, and cooler 13 is just brought into play cooling effect, and the cold air that is cooled whereby utilizes cooling fan 16 to circulate in storeroom 3 as previously mentioned.Therefore be cooled to the low temperature (refrigeration, freezing) of regulation in the storeroom 3.

Utilize the running of condenser fan 28 on the other hand, the outer gas in mechanical chamber cap 33 the place aheads sucks from air entry 44......, at first flows into condenser 27 and carries out air-cooled to it.Through condenser fan 28, blow on the compressor 26 then, it is cooled off.So successively to condenser 27, compressor 26 carry out air-cooled after, the outer gas (heating installation) of heating utilizes the back relation of plane of closure plate 32 sealing Machine Rooms 7, carries out after the revolution, flowing to the place ahead shown in arrow among Fig. 2 at Machine Room 7 internal upper parts.

Therefore the heating installation that flows to the place ahead through the outside of fan cover 31 the place ahead of front glass door 52 by above exhaust portion 39 exhaust upward shown in arrow among Fig. 3.On the other hand, in the place ahead of back glass door 53,, shown in arrow among Fig. 4, point to tiltedly and go up the rear and exhaust by top exhaust portion 39 and rear exhaust outlet 41.Therefore make the diffusion delays after the exhaust, heating installation is from glass 21,21 fronts of front glass 52, back glass 53 simultaneously, and process on a large scale utilizes the ascending air of this heating installation can prevent or suppress the dewfall of the front surface of front glass door 52 and back glass door 52 effectively.

When the front surface of front glass door 52 and back glass door 53 produced dewfall, this dewfall flowed into bottom rail frame 55 under glass flows in addition.And do not have illustrated discharge outlet in the storeroom of flowing through, and import in the Draining basin that does not illustrate in the Machine Room, and processed.

Secondly, what Fig. 5 was represented is: a side that becomes low temperature by glass 21 surfaces as the exhaust outlet 41 at rear has worn a lot of steam vents 40, and the capacity of glass 21 surperficial sides that become low temperature is further increased.Because the temperature that for example makes direct contact discharge glass 21 surfaces (generally being positioned at glass 21 surfaces in storeroom 3 central portion the place aheads of cooler 13) of cold air from cooler 13 becomes lower than other portion temperature, so increase by making from the rearward capacity of mechanical chamber cap 33 rows, can make the more heating installation of glass 21 surface contacts that becomes this low temperature, thereby more can improve the dewfall effect that prevents glass door 53 fronts, back.

Fig. 5 is under front and back glass door 52,53 closing state, by near approximate vertical limit 52C, the 53C of each glass door 52,53 that forward laps, having worn mechanical chamber cap 33 a lot of exhaust outlets 40 of glass door 53 front side approximate vertical portions 38 afterwards, as rear exhaust outlet 41, and has the structure that makes glass surface become near the capacity increase of low temperature.As previously mentioned, because under each glass door 52,53 closing state, between the pane 57 of a plurality of pane 56 back that are disposed on front glass door 52 left side 52C and back glass door 53 the right 53C, so leaked the cold air of a small amount of storeroom 3 at interval from this.Therefore near the temperature of the glass surface 21 the pane 57 of back glass door 53 left side 53C becomes lower than other parts.Because near the mechanical chamber cap 33 the pane 57 of back glass door 53 the right 53C, worn more steam vent 40 as rear exhaust outlet 41, the capacity that blows to the rear is increased, so can make the more heating installation of glass surface 21 contact that becomes this low temperature, can improve near the dewfall effect the pane 57 that prevents back glass door 53 the right 53C more.

At this moment under each glass door 52,53 closing state, utilization is from the interval between the pane 57 of pane 56 back that are arranged on front glass door 52 left side 52C and back glass door 53 the right 53C, leak the cold air in a small amount of storeroom, near so glass surface the pane 56 of the left side 52C of front glass door 52, also, become low temperature by the cold air cooling of aforementioned leakage.Therefore near the pane 57 of the right 53C of increasing back glass door 53 steam vent 40 of mechanical chamber caps 33 as the rear exhaust outlet 41, a plurality of steam vents 40 can also near mechanical chamber cap 33 pane 56 of the left side of front glass door 52 52C, have been worn, the rearward capacity of the row of making increases, in view of the above, utilization makes a lot of heating installation of glass surface 21 contacts that become this low temperature, under above situation, can further improve near the dewfall effect of pane 56 fronts that prevent front glass door 52 left side 52C.

In addition in the situation that approximately vertically has and be formed for pointing the interval that to insert size from the rake 37 of mechanical chamber cap 33 downwards between the approximate vertical portion 38 of extension and the hot box, catch mechanical chamber cap 33 tops, with hinge 36 is fulcrum, open and close mechanical chamber cap 33 easily freely to rotate, so that can discard the waste water in the 7 internal drainage basins of Machine Room.

Be described in detail as above, according to a first aspect of the invention, on the sliding glass door of front side, in the future self cooling condenser is arranged upward with the air of fan, because with the glass door of front side relatively, by make be positioned at point to tiltedly apart from the sliding glass door of exhaust outlet distance rear side far away on the rear, can eject air from fan, so can prevent the front glass door dewfall, can more effectively eliminate the dewfall of rear glass door again.

According to a second aspect of the invention, make air that the pull-type glass door direction of thruster backwards discharges from the glass surface that becomes low temperature discharge more, therefore near becoming the glass surface of this low temperature (for example corresponding glass surface) with the place ahead of cooler exhaust outlet owing to the heating installation effect becomes warmer, thereby can further improve the effect that prevents dewfall.

According to a third aspect of the invention we, when closing each glass door, produce between overlapped each limit of each glass door under the situation of goods showing cabinet of push-pull door in slit, even the cold air in the storeroom often from this slot leakage or outside producing gas cut go into storeroom, also because under the state of glass door closure, near the approximate vertical limit of each glass door of front and back capacity can become many, and can reduce or stop the dewfall of glass surface effectively.

Claims (2)

1. low-temp goods showing cabinet, it comprises: the storeroom that constitutes in heat insulating box; Can seal the sliding glass door of the front openings of this storeroom in freely openable ground, the Machine Room that is positioned at aforementioned storeroom below and constitutes in aforementioned heat insulating box outside, be arranged on compressor, condenser and condenser fan in this Machine Room, but with the front of the aforementioned Machine Room of freely openable ground sealing and be positioned at the mechanical chamber cap of the below of aforementioned glass door, it is characterized in that:

When vertical component effect is formed at the top of aforementioned mechanical chamber cap, this vertical component effect and aforementioned heat insulating box exist at interval, the discharge portion of exhaust is formed on aforementioned Machine Room upper part of the cover simultaneously upward from this interval, be positioned on the aforementioned vertical component effect of rear glass reveal and wear steam vent, formation is from the discharge portion of aforementioned steam vent exhaust rearward, and the air that aforementioned condenser is discharged with fan blows to the front of aforementioned glass door from aforementioned discharge portion.

2. the described low-temp goods showing cabinet of claim 1 is characterized in that: the discharge portion of aforementioned exhaust rearward is made of the exhaust outlet that increases near the capacity that makes under the aforementioned glass door closing state each the glass door approximate vertical limit that is forward lapping.

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