JP3679149B2 - Mobile refrigeration equipment - Google Patents

Description

[0001]
[Industrial application fields]
[0002]
The present invention relates to a mobile refrigeration apparatus in which a main body is configured to be movable by wheels or the like.
[Prior art]
As this type of refrigeration apparatus, there is known a distribution car that accommodates a large number of feeding trays and is refrigerated as disclosed in Japanese Utility Model Publication No. 53-19472. This is because the main body made of a heat insulating wall is partitioned by a vertical partition wall to form two left and right tray storage chambers, and the cooler of the refrigeration apparatus is stored in the vertical partition wall so that the cold air is distributed on both the left and right sides. In the configuration that can be supplied to the tray accommodating chamber, a wheel is provided at the bottom of the main body so as to be movable.
In general, such a distribution vehicle is connected to a power source in a kitchen and the refrigeration unit is operated, and a feeding tray filled with food is accommodated in the main body to be cooled. The main body is moved to the feeding place and removed, and then moved to the kitchen again. For this reason, the frost adhering to the cooler at the time of the operation of the refrigeration apparatus starts to melt at the time of serving.
[0003]
Therefore, conventionally, in order to prevent such defrost water from dripping into the main body and the floor, a water collecting tray and a water storage container are provided in the vertical partition wall below the cooler, The defrost water dripping from the cooler was collected in a water collecting tray and stored in a water storage container.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional structure, when a large amount of defrosted water is accumulated in the water storage container, there is a problem that the water overflows due to vibration when the trolley is moved, and the inside of the main body is soiled. In addition, in order to drain the water accumulated in the water storage container, the feeding tray and its supporting frame must be taken out from the main body and the water storage container must be taken out.
[0005]
The present invention has been made in view of the above circumstances, and the purpose thereof is a mobile type that can reliably prevent the defrost water generated from the cooler from overflowing during movement, and can easily perform the drainage operation. It is to provide a refrigeration apparatus.
[0006]
[Means for Solving the Problems]
In the mobile refrigeration apparatus of the present invention, a main body constituted by a heat insulating wall body can be moved by a wheel or the like, and a cooler is arranged in the main body to cool the inside of the warehouse. A water collecting tray disposed below the vessel, a water storage tank buried in the heat insulating material of the heat insulating wall, a water guide channel for guiding the water received by the water collecting tray to the water storage tank, and the water storage tank It is characterized by a configuration in which a drainage channel for discharging water to the outside of the main body and a drainage valve provided on the outer bottom of the main body to open and close the drainage channel are provided.
[0007]
[Action]
When the frost adhering to the cooler is melted and water drops, it is received by the water collecting tray, and this is guided and stored in the water storage tank by the water conduit. Since this water storage tank is embedded in the heat insulating material of the heat insulating wall body, even if the water in the inside undulates during the movement of the main body, it does not spill out. In order to drain water from the water storage tank, if the drain valve is opened by operating the operation part on the outer bottom of the main body, water is discharged out of the main body through the drainage channel.
[0008]
【The invention's effect】
As described above, according to the mobile refrigeration apparatus of the present invention, the water from the cooler is stored in the water storage tank embedded in the heat insulating material, so that it is surely prevented from overflowing when the main body is moved. In addition, the drainage operation can be easily performed.
[0009]
【Example】
Hereinafter, an embodiment in which the present invention is applied to a trolley will be described with reference to the drawings.
First, FIG. 1 shows an overall configuration of a distribution vehicle 1 as a mobile refrigeration apparatus according to the present embodiment. The distribution vehicle 1 is configured to include a plurality of casters 3 for movement at the bottom of a warm room main body 2 configured as a rectangular box as a whole, and a handle 4 is provided on a side surface of the warm room main body 2. ing.
Both the front and rear sides of the warming room main body 2 are open, and as shown in FIG. 2, the bottom wall 2a, the left and right side walls 2b and 2c, and the ceiling wall 2d are filled with a heat insulating material 5 such as urethane foam. It is configured as an insulated box. In addition, a hollow intermediate wall 6 is provided in the central portion of the warming-holding body 2 so as to extend vertically, so that two left and right wagon storage chambers 7 are formed in the interior, and the front of each wagon storage chamber 7 is formed. And the door 8 is provided in the back so that opening and closing is possible. A magnet gasket (not shown) is provided around the inner periphery of the door 8 to seal the space between the surroundings of the wagon housing chamber 7.
[0010]
Each of the left and right wagon storage chambers 7 is provided symmetrically, and a cooler 10 is disposed in the intermediate wall 6, and the compression is disposed in the machine room 2 a located on the ceiling portion of the greenhouse 2. Cold air is generated in the cooler 10 by a refrigerating apparatus (not shown) of the type. The cold air generated by the cooler 10 is supplied into the wagon housing chamber 7 as shown by the arrow in FIG. 2 through a cold air supply port 6a formed in the intermediate wall 6 by a cold air circulation fan device (not shown). On the other hand, a sheet heater 11 as a heating device is provided on the right inner wall of the right wagon storage chamber 7 and the left inner wall of the left wagon storage chamber 7 so that food in the wagon storage chamber 7 can be radiantly heated. It has become.
[0011]
As shown in FIG. 1, a tray housing wagon 13 that accommodates, for example, plastic trays 12 on which food is placed in two rows in the front and rear and in a plurality of stages in the vertical direction can be pulled out in the wagon housing chamber 7. Is to be housed. In this case, the tray 12 has a horizontally long rectangular shape, and a dish to be served in a cold state is placed on the left side of the flat boundary portion 12a located in the center, and the tray 12 is warm on the right side of the boundary portion 12a. The dishes served in the state are placed.
As shown in FIG. 1, the tray housing wagon 13 has a rectangular box shape with both front and rear surfaces open, and receives the tray 12 in a frame 14 having a size that fits in the wagon housing chamber 7 almost closely. The shelf member 15 and the tray housing wagon 13 are provided with a heat insulating wall 16 that divides the inside of the shelf member 15 and the tray housing wagon 13 into left and right (a refrigeration part and a warm storage part). In addition, wheels 17 for moving the tray housing wagon 13 in the front-rear direction are provided at the bottom of the frame body 14 at the four corners.
[0012]
As shown in FIGS. 2 and 3, a water collecting tray 18 is provided below the cooler 10 in the intermediate wall 6 to receive defrost water from the cooler 10. On the other hand, a water storage tank 19 is provided in the bottom wall portion 2a of the thermal storage body 2 so as to be embedded in the heat insulating material 5. The connecting cylinder 20 protruding from the upper surface of the water storage tank 19 and the water collecting A water guide tube 21 corresponding to a water guide channel is connected between the drain tube 18 a of the tray 18 and the defrost water collected in the water collecting tray 18 is guided into the water storage tank 19.
The water storage tank 19 is made of, for example, a stainless steel plate and has a rectangular container shape with the upper surface closed as shown in FIGS. 3 and 4, and the bottom wall surface is inclined downward in one direction. The connecting tube 20 is erected on the ceiling surface located at the bottom, and the water discharge tube 22 is provided downward on the bottom wall surface on the lower side of the inclined surface. The water storage tank 19 is embedded in the heat insulating material 5 with the connecting tube 20 protruding into the intermediate wall 6 and the water discharge tube 22 protruding from the outer bottom surface of the greenhouse body 2.
[0013]
A drainage valve 24 supported by a support bracket 23 is attached to the outer bottom surface of the greenhouse 2 and the drainage of the drainage valve 24 from the drain tube 22 of the water storage tank 19 is performed by opening and closing its operation lever 25. The drainage channel leading to the pipe 26 can be opened and closed. The drain valve 24 normally closes the drain channel.
In the distribution vehicle 1 configured as described above, the refrigeration apparatus and the planar heater 11 are operated by connecting to a power source in the kitchen, and the tray 12 in which the meal is served is stored in the tray accommodating wagon in the main body 2. 13 is accommodated. Then, the inside of the tray housing wagon 13 is divided into right and left by the heat insulating wall 16, and in the wagon housing chamber 7 on the right side in FIG. 1, cold air is supplied to the left side from the cooler 10, and the right side is heated by the planar heater 11. Therefore, cold dishes and warm dishes are properly kept warm. Thereafter, at the time of serving, the power is removed and the serving vehicle 1 is moved to the feeding place, the door 8 is opened, the tray 12 is taken out and served, and after the serving, the serving vehicle 1 is moved again to the kitchen.
[0014]
In this way, when the power source is disconnected, frost attached to the cooler 10 in the intermediate wall 6 during the cooling operation gradually melts. For this reason, the defrost water dripping from the cooler 10 especially when the distribution vehicle 1 moves. However, in the case of this embodiment, the defrost water dripped from the cooler 10 is received by the water collecting tray 18 located below the cooler 10 and guided into the water storage tank 19 through the water guide tube 21. Stored. Since the water storage tank 19 is embedded in the heat insulating material 5 of the warming-holding body 2, even if the water inside the trolley 1 moves, it does not spill outside, and the inside of the ration 1 or the floor surface. There is no risk of fouling. In order to drain the water stored in the water storage tank 19, for example, when a water pan (not shown) is inserted below the drain pipe 26 of the drain valve 24 and the operation lever 25 of the drain valve 24 is opened, the water tank The water in 19 is discharged into the water receiving pan through the drain pipe 26.
[0015]
Thus, according to the present embodiment, the water from the cooler 10 is stored in the water storage tank 19 embedded in the heat insulating material 5, so that it is possible to reliably prevent the floor surface and the inside of the distribution vehicle 1 from being contaminated with water. In addition, the drainage operation of the water accumulated in the water storage tank 19 can be performed simply by opening the operation lever 25, which is excellent in practical use. Further, since the water storage tank 19 is embedded in the heat insulating material 5, the drain pipe 26 can be led out directly from the bottom of the distribution vehicle 1, and the narrow space at the bottom of the distribution vehicle 1 can be effectively used, It can be a neat structure. As a result, compared to a configuration in which the water storage tank 19 is provided in a cold air flow path such as in the intermediate wall 6, the flow of cold air is also improved, so that it is possible to perform efficient and uniform cooling. Can also be obtained.
[0016]
In addition, the present invention is not limited to the embodiments described with reference to the above description and drawings, and may be implemented with various modifications within a range not departing from the gist, such as being widely applied to a mobile refrigeration apparatus other than a trolley. Can do.
[Brief description of the drawings]
FIG. 1 is a perspective view of a distribution vehicle showing an embodiment of the present invention. FIG. 2 is a longitudinal sectional view of the same distribution vehicle. FIG. 3 is an enlarged vertical sectional view of a water storage tank. FIG. 4 is a side view of a water storage tank. Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Distribution vehicle (mobile refrigeration apparatus) 2 ... Hot-hold room | maintenance body 3 ... Caster (wheel) 5 ... Insulation material 10 ... Cooler 12 ... Tray 18 ... Water collecting tray 19 ... Water storage tank 21 ... Water conveyance tube (water conveyance path) 24 ... Drain valve 25 ... Operating lever (operating part) 26 ... Drain pipe

Claims (1)

The main body constituted by the heat insulating wall is movable with wheels or the like, and a cooler is disposed in the main body to cool the inside of the cabinet. A water tray, a water storage tank embedded in the heat insulating material of the heat insulating wall, a water conduit for guiding water received by the water collecting tray to the water storage tank, and water stored in the water storage tank outside the main body A mobile refrigeration apparatus comprising: a drainage channel for discharging the gas and a drainage valve provided on an outer bottom portion of the main body to open and close the drainage channel.

Images