JP2003065672A - Service wagon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To permit the transportation of soup or the like while applying heat insulation or cold insulation. SOLUTION: A different receiving chamber 23 is provided so as to be neighbored to a refrigerating chamber 22 in a set of a hot insulating chamber and the refrigerating chamber. One side wall surface of the receiving chamber 23 is constituted of a cooling duct 15 used commonly for the refrigerating chamber 22 while a heater panel 26B is bonded to the other wall surface of the same. When the receiving chamber 23 is used as the hot insulating chamber, a heat insulating panel 50 is mounted on the surface of the cooling duct 15 and the heater panel 26B is excited. Sending of cold air to the side of the receiving chamber 23 is precluded and the inside of the receiving chamber 23 is heated efficiently by the heater panel 26B while precluding heat exchange between cold heat in the refrigerating chamber 22. When the receiving chamber 23 is used as the refrigerating chamber, the heat insulating panel 50 is removed and the surface of the cooling duct 15 is opened while the excitation of the heater panel 26B is put off. Cold air is circulated in and supplied to the receiving chamber 23 through outlet ports 37 whereby the receiving chamber is cooled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a serving car used for serving food such as meals.

[0002]

2. Description of the Related Art In recent years, hot and cold serving vehicles have been remarkably spread in hospitals and the like. This is because a pair of hot and cold compartments are formed with a heat-insulating partition wall sandwiched between a main body consisting of a heat-insulating box with wheels on the bottom, and a tray on which hot food and cold food are placed separately. By being penetrated through the partition wall and accommodated in the hot and cold storage chambers, the hot food can be stored in a warm state and the cold food can be stored in a cold state and transported. This type of hot and cold serving car is described in JP-A-8-33524.

[0003]

On the other hand, there are cases where soups and other soups are added to meals. However, if the soups or the like are placed in a predetermined container and placed on a tray, the , There is a risk of spilling when inserting or removing the tray.
Therefore, such soups and the like have been put together in a large container, transported by another trolley, etc., and individually arranged and provided immediately before serving. However, this method has a problem that the soup or the like cannot be maintained in a predetermined warm state or a cold state and cannot be provided in a delicious state. In addition, the soups and the like need to be brought separately from the catering car, which causes a problem that extra manpower is required. The present invention has been completed based on the above circumstances, and its purpose is to:
Soup and so on can be transported while keeping it warm or cold.

[0004]

[Means for Solving the Problems] As means for achieving the above-mentioned object, a distribution vehicle according to the invention of claim 1 has a main body made of a heat insulating box, on both sides of which a heat insulating partition wall is sandwiched. A pair of a hot room and a cold room are formed, and a tray on which hot food and cold food are separately placed can penetrate the partition wall and can be accommodated between the hot room and the cold room, and the main body The inside is characterized in that a storage room capable of switching between hot and cold is provided separately from the set of the hot room and the cold room.
According to a second aspect of the present invention, in the first aspect, the storage chamber is provided adjacent to the refrigerating chamber, and the storage chamber is heated on a wall surface of the storage chamber opposite to the refrigerating chamber. The feature is that a heating member is provided.

According to a third aspect of the present invention, in the first or second aspect, the storage chamber is provided adjacent to the refrigerating chamber, and ventilation is provided on both sides between the refrigerating chamber and the storing chamber. It is characterized in that it is equipped with a duct provided with a mouth, and that cool air generated by a cooler can be cooled by being blown out from the ventilation holes on both sides of the duct to the refrigerating chamber and the storing chamber. . According to a fourth aspect of the present invention, in the first aspect, the storage chamber is provided next to the refrigerating chamber, and the wall surface of the storage chamber opposite to the refrigerating chamber is heated to heat the storage chamber. A duct in which a member is disposed and a ventilation port is provided on both sides between the refrigerating chamber and the storage chamber is equipped, and cool air generated by a cooler is discharged from the ventilation ports on both sides of the duct. It is characterized in that it can be blown into the refrigerating room and the storage room, and that a heat insulating panel for closing the surface of the duct on the storage room side is detachably provided.

[0006]

<Operation and effect of the invention><Invention of claim 1> Soup etc. is put in a large container etc. and stored in a storage chamber, and it is transported with food on a tray while keeping it warm or cold, and subdivided at the time of serving. Provided. Soups and the like can be served in a delicious state by keeping them warm or cold, and can be brought together by a tray-carrying car, so that the transportation work becomes easy. <Invention of Claim 2> The storage chamber can be efficiently heated while suppressing heat exchange with the refrigeration chamber as much as possible, and the storage chamber can be used as an auxiliary storage chamber.

<Invention of Claim 3> When cold air is blown out from the ventilation openings on both sides of the duct, both the refrigerating compartment and the accommodating compartment are cooled and used as an auxiliary refrigerating compartment. The storage chamber can be efficiently cooled with a simple structure. <Invention of Claim 4> When the heating member is driven in a state where the heat insulating panel is mounted and the entry of cold air is blocked, the storage chamber is heated and can be used as an auxiliary heating chamber. On the other hand, when the heat insulating panel is removed and the heating member is not driven, the storage chamber is cooled by the cool air from the duct and can be used as an auxiliary refrigerating chamber.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIG.
Or, it demonstrates based on FIG. As shown in FIGS. 1 and 2, the catering car of the present embodiment includes a catering box main body 10 having a rectangular box shape as a whole, and more specifically, a heat insulating material such as urethane foam is provided in an outer shell made of a stainless steel plate. It is configured as a heat-insulating box body that is filled with material and has openings on both front and back surfaces. A machine room 11 is provided on the upper surface of the main body 10, and wheels 12 are provided on the bottom surface of the main body 10 so as to be movable in the left-right direction in FIG.

As shown in FIG. 2, a cooling duct 15 is erected in the main body 10 at a position closer to the right side when viewed from the front than the center in the widthwise direction. Two rooms with different frontages are formed. Note that columns 16 are erected on both sides of the cooling duct 15. The room with a wide frontage on the left side is further partitioned by a heat insulating partition wall 17, and the heating room 21 is on the left side when viewed from the front.
Refrigerating chambers 22 are formed on the right side and form a pair with each other. The partition wall 17 is formed by stacking a plurality of unit partition walls 19 on a base 18. On the other hand, a room with a narrow frontage on the right side is a storage room 23. Hot room 21
Doors 24 of double glass structure are installed in the front and back doors of the pair of the refrigerator compartment 22 and the refrigerating room 22, respectively, and doors 62 of the front and back of the storage room 23 also have doors 24 of double glass structure swinging. It is equipped so that it can be opened and closed dynamically.

A heater panel 26A is provided on the wall surface of the heating chamber 21 on the side opposite to the partition wall 17, and the interior of the heating chamber 21 is heated by operating the heater panel 26A. There is. On the other hand, in the cooling duct 15 described above, as shown in FIG. 5, longitudinal cool air passages 30 are formed on both front and rear sides thereof, and a space between them is provided between the cooler chambers 3.
It is 1. A cooler 32 is provided in the cooler chamber 31, and is circulated and connected to a refrigerating device (not shown) provided in the machine chamber 11 by a refrigerant pipe to form a known refrigerating cycle. Above the cooler 32, three circulation fans 34 are arranged side by side in the front-rear direction, and further divided by the partition plate 35 into the front and rear cool air passages 30. As shown in FIG. 3, on the left and right surfaces of the cooling duct 15, front and rear end portions corresponding to the cold air passage 30 are formed with a plurality of stages of outlets 37. On the other hand, cooling duct 1
Suction ports 38 are formed at the lower end portions of the portions corresponding to the cooler chamber 31 on both the left and right sides of 5.

Therefore, the refrigeration cycle and the circulation fan 3
4 is driven, as shown by arrows in FIGS. 4 and 5, cold air generated in the vicinity of the cooler 32 is guided to the front and rear cold air passages 30 by the circulation fan 34 and flows down, respectively. The left and right air outlets 37 are blown into the refrigerating chamber 22 and the storage chamber 23, respectively, and the air inside the refrigerating chamber 22 and the storage chamber 23 is sucked from the suction port 38 and guided to the lower surface side of the cooler 32. A circulation flow is generated, so that the refrigerating chamber 22 and the storage chamber 23 are cooled.

In the cooler chamber 31, frost attached to the cooler 32 or the like is naturally melted when the power is turned off, and a tank 40 for storing the defrost water is provided. As shown in FIG. 1, the tank 40 has a box shape with an open upper surface, and has a shape in which a handle 41 that protrudes in the horizontal direction and is bent downward is formed on the upper edge of one surface of the tank 40. On the other hand, as shown in FIG. 4, a tank accommodating chamber 43 for accommodating the tank 40 is provided in the lower part of the cooler chamber 31, and the tank accommodating chamber 43 is provided with an opening 44 on the accommodating chamber 23 side. Is formed, and the tank 40 is accommodated in a state in which the handle 41 projects toward the storage chamber 23 side. The defrost water is received by a drain pan (not shown) arranged on the lower surface side of the cooler 32, and is discharged into the tank 40 through a hose or the like.

A plurality of tray receivers 46, which are paired with each other, are provided on the wall surface of the heater panel 26A which constitutes one surface of the heating compartment 21 and the surface of the cooling duct 15 which constitutes one surface of the refrigerating compartment 22. It is provided. On the other hand, the tray 48 is formed in a horizontally long rectangular shape with a synthetic resin or the like, and food provided in a warm state on one side sandwiching a boundary portion 49 provided near the center of the horizontal width is cold on the other side. The food to be served is placed on each. The tray 48 has a boundary 49 split between the unit partition walls 19, and both ends thereof are received by the tray receivers 46 on both sides, and are accommodated in a pair between the heating chamber 21 and the refrigerating chamber 22,
In one tray 48, hot food is stored in a hot state and cold food is stored in a cold state.

The structure on the side of the storage chamber 23 will be further described. On the right side wall of the storage room 23 when viewed from the front,
As shown in FIGS. 2 and 3, another heater panel 26B is stretched, and the inside of the storage chamber 23 can be heated by operating this heater panel 26B. On the other hand, the wall surface on the left side of the storage chamber 23 is constituted by the cooling duct 15 described above, and the heat insulating panel 50 is detachably attached to the surface of the cooling duct 15. The heat insulating panel 50 is formed by filling an outer shell body 51 made of a stainless steel plate with a heat insulating material 52, and is formed in a thick plate shape capable of covering almost the entire surface of the cooling duct 15.

With respect to the mounting structure of the heat insulating panel 50, as shown in FIG. 3, mounting pins 53 with heads 55 are erected at the four corners of the surface of the cooling duct 15, for example. On the other hand, a mounting groove 56 is formed correspondingly on the back surface of the heat insulating panel 50, and the mounting groove 56 is provided on the inner side of the circular portion 57 through which the head 55 of the mounting pin 53 can be inserted, and the shaft portion 54. It is a shape in which the linear portions 58 that can be tightly inserted are continuously provided. Therefore, while inserting the head portion 55 of the attachment pin 53 into the circular portion 57 of the attachment groove 56, the heat insulation panel 50 is attached to the cooling duct 15.
When the heat insulating panel 50 is pulled toward the front side, the shaft portion 54 of the mounting pin 53 moves to the linear portion 58 and the head portion 55 is locked. The heat insulating panel 50 is attached to the surface of the cooling duct 15 in a fitted state, and can be removed by the reverse operation.

In addition, at the lower end of the heat insulating panel 50, an inlet / outlet port 62 through which the above-mentioned tank 40 can be taken in / out is opened, and when it is attached to the surface of the cooling duct 15, as shown in FIG. The handle 41 of 40 faces the ceiling of the doorway 62. Here, in order that the heat insulating panel 50 can be attached and detached while the tank 40 is accommodated in the tank accommodating chamber 43, the entrance / exit 62 has a margin particularly in the depth direction.

Next, the operation of this embodiment will be described. The lunch is placed on the tray 48, and the tray 48 is accommodated over the pair of the hot storage room 21 and the cold storage room 22, whereby the hot food is stored in the hot storage state and the cold food is stored in the cold storage state. On the other hand, the storage chamber 23 stores soup and tea (soup, etc.) in a large container or kettle. If the soup is warm at that time, the storage room 23
Is used as a heating room. For that purpose, as shown in FIGS. 1 and 2, the heat insulating panel 5 is provided on the surface of the cooling duct 15.
0 is mounted and the heater panel 26B of the storage chamber 23 is turned on by operating the switch of the operation panel 64 provided in the front of the machine room 11. Then, the heat insulating panel 50 prevents the cool air from blowing toward the storage chamber 23, and also prevents the heat exchange with the cold heat in the refrigerating chamber 22, while the storage chamber 23 is efficiently heated by the heater panel 26B and stored. The soup etc. that have been prepared are stored in a hot state.

On the contrary, when the soup or the like is cold, the storage room 23 is used as a refrigerating room. In that case, as shown in FIG. 3, the heat insulating panel 50 is removed to open the surface of the cooling duct 15, and the heater panel 26B of the storage chamber 23 is turned off. Then, the cool air is circulated and cooled in the storage chamber 23 as well as the refrigerating chamber 22 through the outlet 37 of the cooling duct 15, and the stored soup or the like is stored in a refrigerated state. In this way, the soup etc. is placed in a large container and stored in the storage chamber 23,
While being kept warm or cold, it is transported together with the food on the tray 48 and provided in small portions at the time of serving.

As described above, according to this embodiment,
Soups and the like can be served in a delicious state by keeping them warm or cold, and since they can be brought together by a catering vehicle on which the tray 48 is mounted, the carrying work and the catering work become easy. Regarding the storage chamber 23, the cooling duct 15
When the heat insulating panel 50 is attached to the surface of the above and the heater panel 26B is also kept off, it can be used as a room temperature room which is neither heated nor cooled. On the side of the storage chamber 23, if the heat insulating panel 50 is removed, the surface of the cooling duct 15 is opened, so that, for example, the cooling duct 15
If an opening with an opening / closing door is provided in the portion corresponding to the cooler chamber 31 in, the cleaning and replacement of the cooler 32 and the circulation fan 34 can be performed relatively easily.

To remove the defrosting water in the tank 40, if the heat insulating panel 50 is installed, put the hand into the doorway 62 and the handle 41 to move the tank 40 from the tank storage chamber 43 to the doorway. 62 through which the floor surface 60 of the storage chamber 23 is slid out and the heat insulating panel 50.
4 is removed, the handle 41 projects from the surface of the cooling duct 15 as shown in FIG. 4. Therefore, the handle 41 is held as it is and the tank 40 is slid on the floor surface 60 as well. Take it out and drain it to an appropriate disposal site. The empty tank 40 is housed in the tank housing chamber 43 as it was originally by the reverse operation. For example, when trying to put the tank 40 in and out of the refrigerating compartment 22, it is necessary to remove the tray 48 one by one and change the shape of a part of the tray receiver 46 so as not to get in the way. In this embodiment, the heat insulating panel is used. Storage room 2 with or without 50
The tank 40 can be easily put in and taken out from the 3 side.

Further, since there is a possibility that a dead space may be formed especially on the upper side of the storage chamber 23, as shown by the chain line in FIG. 1, the heat insulating panel 50 and the heater panel 26 on the opposite side are provided.
If the shelf support 66 is provided opposite to the surface on which B is stretched, it can be effectively used when a single meal is placed on a shelf to be refrigerated or stored, or a small container is stored at room temperature. Is possible.

<Other Embodiments> The present invention is not limited to the embodiments described above and illustrated in the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition to the above, various modifications can be made without departing from the scope of the invention. (1) As a heating chamber or a means for heating when the storage chamber is used as a heating chamber, a warm air distribution duct is arranged on the wall surface, and the warm air generated in the heating chamber in the machine room is connected to the duct. It is also possible to adopt a means for circulating the supply to the warm room or the storage room via the above. (2) The present invention can be similarly applied to the one provided with two or more sets of refrigerating chambers of the heating chamber.

[Brief description of drawings]

FIG. 1 is a perspective view of a catering car according to an embodiment of the present invention.

[Figure 2] Front view with the door removed

FIG. 3 is a perspective view showing a mounting structure of a heat insulating panel.

FIG. 4 is a partially cutaway front view of FIG.

FIG. 5 is a sectional view showing the internal structure of the cooling duct.

[Explanation of Codes] 10 ... Serving Car Main Body 15 ... Cooling Duct 17 ... Partition Wall
21 ... Warming room 22 ... Refrigerating room 23 ... Storage room 26B ...
Heater panel (heating member) 32 ... Cooler 34 ... Circulation fan 37 ... Blow-out port 38 ... Suction port 48 ... Tray
50 ... Insulation panel

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Isao Oshiro             16 Hoshizaki, 3rd South Building, Sakaemachi, Toyoake City, Aichi Prefecture             Electric Co., Ltd. (72) Inventor Yoshitaka Adachi             16 Hoshizaki, 3rd South Building, Sakaemachi, Toyoake City, Aichi Prefecture             Electric Co., Ltd.

Claims (4)

[Claims] 1. A pair of hot and cold storage chambers are formed on both sides of a heat insulating partition wall sandwiching a heat insulating partition wall, and a tray in which hot and cold foods are separately placed is provided. A storage chamber that can be housed in the main body and the refrigerating chamber through the partition wall and that can be switched between hot and cold is provided in the main body, separately from the set of the warming chamber and the refrigerating chamber. A serving car characterized by being provided. 2. The storage chamber is provided adjacent to the refrigerating chamber, and a heating member is provided on a wall surface of the storage chamber opposite to the refrigerating chamber to heat the storage chamber. The catering car according to claim 1. 3. The storage room is provided next to the refrigerating room, and a duct having ventilation holes on both sides is provided between the refrigerating room and the storage room to cool the cool air generated by the cooler. 3. The catering car according to claim 1, wherein the catering car is capable of being cooled by being blown into the refrigerating compartment and the accommodating compartment from vent holes on both sides of the duct. 4. The storage room is provided next to the refrigerating room, and a heating member is arranged on a wall surface of the storage room opposite to the refrigerating room to heat the storage room, and the refrigerating room is provided. A duct having ventilation holes on both sides is provided between the chamber and the storage chamber, and cool air generated by the cooler can be blown from the ventilation ports on both sides of the duct to the refrigeration chamber and the storage chamber. The food service vehicle according to claim 1, wherein a heat insulating panel that closes the surface of the duct on the storage chamber side is detachably provided.