JP2011193921A - Heat cooking method, heat cooking lunch box, and food service cart - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heat up only foodstuff that needs heating in a lunch box.SOLUTION: A heat cooking lunch box comprising the bottom face to be fit in the projecting part is placed on a heat cooking delivery tray provided with a heating part and a projecting part provided along the periphery of the heating part so that the foodstuff in plateware arranged in the heating cooking lunch box is heated up.

Description

  The present invention relates to a cooking method, a lunch box for cooking used in the cooking method, and a distribution car.

A lunch box that can heat the food in the food tray by providing a heating tool on the lower surface of the food tray into which the food is placed, and guiding water vapor generated from the heating tool into the food tray through a hole provided at the bottom of the food tray. However, it is disclosed in Patent Document 1, for example.
However, in such a lunch box, a heating tool is installed on the entire surface of the food tray, so that both food that requires heating and food that does not require heating are contained in the food tray. There was a problem of being. Therefore, when a food that needs to be heated and a food that does not need to be heated are put together, it is necessary to partially provide a heating section so that only the food that needs to be heated can be heated. However, in such a heating method, it is necessary to carefully check that foods that need to be heated are arranged on the heating unit, and there is a problem that it takes much time and effort.

JP 2007-259965 A

  Therefore, the present invention provides a cooking method that can easily place only the ingredients that require heating, and the ingredients that require heating, and can heat and cool the ingredients. It is an object of the present invention to provide a lunch box that can be used and a barge that can heat and cool the food in the lunch box and simultaneously carry the food.

In order to solve the above problems, the present inventors have found a solving means as follows.
That is, the cooking method according to the present invention includes, as set forth in claim 1, the projecting arrangement on a cooking tray for heating cooking provided with a heating section and a projecting section provided around the heating section. A cooking lunch box having a bottom surface configured so as to be fitted into the portion is placed, and the food in the tableware placed in the cooking lunch box is heated.
Moreover, this invention of Claim 2 is a cooking method of Claim 1, Comprising: The said heating part and the said heating part on the said tray, and two or more said lunch boxes can be heated on the said tray. Two or more sets of protruding portions are provided.
The lunch box for heating and cooking according to the present invention is placed on a cooking tray for heating and cooking provided with a heating part and a protruding part provided around the heating part, as described in claim 3. A locking portion that engages with the protruding portion is provided on the bottom surface.
Further, the present invention according to claim 4 is the lunch box for heating and cooking according to claim 3, wherein a cold air inlet for introducing cold air into the lunch box at the time of heating is provided on the bottom side of the lunch box, Further, a cold air discharge port for discharging the cold air is provided.
Further, the present invention described in claim 5 is divided in the lunch box for cooking according to claim 3 or 4 to receive a plurality of tableware bottoms to be disposed in the lunch box. An insole is provided, and the insole includes a leg portion on an outer periphery so as to be separated from a bottom surface of the lunch box.
Moreover, the present invention according to claim 6 is the lunch box for heating and cooking according to any one of claims 3 to 5, wherein the heating portion is provided in a convex shape on a flat surface of the serving tray. The protruding portion is configured to be higher than the heating portion, and at least a leg portion is provided on the bottom surface of the lunch box on the side away from the locking portion, and the height of the leg portion is set to the height of the heating portion. It is set as the above, It was set as the range below the height of the said protrusion part, It is characterized by the above-mentioned.
In addition, the present invention described in claim 7 is characterized in that, in the cooking lunch box according to any one of claims 3 to 6, a steam hole is provided in a lid of the cooking lunch box. To do.
According to the eighth aspect of the present invention, the distribution vehicle is a distribution vehicle in which the distribution tray on which the lunch box for heating and cooking according to any one of claims 3 to 7 is placed can be arranged vertically. And a cooling device for cooling the inside of the layout vehicle is provided, and when the layout tray is stored in the layout vehicle, a contact is provided at a position where it contacts a contact provided on the side surface of the layout tray. It is characterized by.

According to the present invention, it is possible to reliably place and heat the food that needs to be heated in the lunch box on the heating unit provided on the serving tray. At this time, since the bottom of the lunch box is fitted into the protruding portion provided on the serving tray, the lunch box can be accurately placed on the serving tray. Further, if two or more lunch boxes are placed on the tray, more lunch boxes can be heated in a short time.
The lunch box has a through hole on the bottom side that functions as a cold air inlet when heated, and a top hole that functions as a cold air outlet on the upper side. Can be put in a box. Therefore, even when the food that needs to be heated is heated on the heating unit, the food that is not required to be heated disposed at a position other than the heating unit in the lunch box can be kept in a cooled state.
Moreover, it is possible to prevent the position of the tableware from being shifted in the lunch box by providing an insole divided so as to receive a plurality of tableware bottoms in the lunch box and fitting the bottom surface of the tableware into this insole.
Further, by providing the leg portion in the lunch box, the level difference on the serving tray caused by the provision of the protruding portion and the heating portion on the serving tray can be eliminated, and the lunch box can be kept in a horizontal state.
Moreover, by providing a steam hole in the lid of the lunch box, heat and steam generated by heating can be effectively discharged from the lunch box.
Furthermore, by using a distribution vehicle that can accommodate and heat a plurality of distribution trays and includes a cooling device, a plurality of lunch boxes can be heated and cooled without time difference.

The perspective view of the cooking tray used for the heating cooking method and lunch box for heating cooking of this invention The perspective view for demonstrating the state which opened the cover of the lunch box for heating cooking of one Embodiment of this invention The perspective view for demonstrating the state which closed the cover of the lunch box for heating cooking of the embodiment Sectional drawing for demonstrating the state which mounted the lunch box for heating cooking of the embodiment on the tray The perspective view for demonstrating the heat cooking method of other embodiment of this invention The perspective view of the allocation vehicle of one embodiment of this invention

The serving tray 1 used in the cooking method of the present invention has a heating unit 2 provided in a convex shape on a flat surface 1a, and a height around the heating unit 2 higher than the height of the heating unit 2. And a projecting portion 3 configured.
Specifically, as shown in FIG. 1, rising portions 1b are provided so that tableware or the like does not fall on four sides of a rectangular flat surface 1a, and a flat surface is formed on the upper side of the rectangular flat surface 1a. The rectangular heating part 2a and the circular heating part 2b are provided with a gap in view, and both are provided so as to be convex from the flat surface 1a. Each heating unit 2a, 2b is provided with a PTC heater or the like (not shown), and tableware or the like is brought into contact with the upper surface of the heating unit 2a, 2b to heat the food inside. Further, the protrusion configured to be higher than the height of the heating parts 2a and 2b so as to surround the heating part 2b with a rectangular shape excluding the corners along the four sides excluding the corners of the heating part 2a. Installation portions 3a and 3b are provided. The projecting portions 3a and 3b are configured to have a tapered structure such as a triangular shape or a trapezoidal cross-sectional shape perpendicular to the longitudinal direction. Furthermore, two contact points 4a and 4b are provided on the upper surface of the rising part 1b on the long side on the side close to the heating unit 2 of the tray 1 at positions corresponding to the heating unit 2a and the heating unit 2b, respectively. The heating parts 2a and 2b are energized.

The lunch box 5 for cooking according to the present invention can be made of cardboard, cardboard, heat-resistant resin, or the like. In the example shown in FIG. 2, the upper box 6 and the lower box 7 are roughly folded into one sheet. The lunch box 5 is configured to be openable and closable with the upper side 5a of the back surface of the lunch box 5 as a support shaft.
Through holes 10 and 11 are provided on the upper portion of the upper box 6 in plan view at portions corresponding to the respective dishes 8 and 9 arranged side by side in the lower box 7. Yes. In the example shown in FIG. 3, the left and right through-hole groups 10 and 11 are arranged so that three through-holes are staggered in a row, with 9 rows on the left side and 7 rows on the right side. Consists of These through-hole groups 10 and 11 serve as steam holes for releasing steam generated from food during heating, and also serve as cool air discharge ports for discharging cool air introduced from the bottom side of the lower box 7. In the illustrated example, two cold outlets other than the through hole groups 10 and 11 are provided at positions corresponding to the two through hole groups 10 and 11 at the upper end of the back of the lunch box 5, that is, lunch boxes. A total of four rectangular or elliptical through holes 12 to 15 are provided at the upper end of the back of the box.

On the other hand, the lower box 7 is provided with a rectangular hole serving as a locking portion 16 into which the protruding portion 3 of the layout tray 1 is inserted. Thereby, the bottom surface of the lunch box 5 is locked to the projecting portion 3 of the serving tray 1. The locking portion 16 can be configured as a through hole or a recess.
In the example shown in the figure, the leg portion erected from the locking portions 16a ₁ and 16b ₁ that engage with the protruding portions 3a ₁ and 3b ₁ on the back side of the four protruding portions 3 surrounding the heating unit 2. 17 and is configured so that the lunch box is not moved more reliably by the elastic force of the leg portion 17 and the locking by the locking portions 16a ₁ and 16b ₁ . The leg portion 17 can be provided by adhering a member constituting the leg portion 17 to the lunch box 5 or the like, but may be constituted by a piece of paper extracted as the locking portions 16a ₁ and 16b _1. preferable. This is because when the lunch box 5 is assembled by bending a piece of paper, the locking portions 16a ₁ and 16b ₁ and the leg portion 17 can be formed, and the work can be simplified and the cost can be reduced. .
Furthermore, in order to prevent the movement of the dishes 8 and 9, it is preferable to provide an insole 18 that is divided so as to receive a plurality of tableware bottoms to be arranged in the lunch box 5. In the illustrated example, when the lunch box 5 is placed on the right and left serving trays 1 on the upper side of one flat plate member made of paper or the like, it corresponds to the two heating units 2 of the serving tray 1. At the position, rectangular openings 19 and 20 are provided so that the bottom of dishes such as side dishes can be fixed, and on the lower side, one opening 21 is provided so that the bottom of dishes such as rice can be fixed. Is provided. The outer periphery of the member 18 is provided with a leg portion 22 that is bent toward the bottom surface side of the lower box 7 so as not to contact the bottom surface of the lower box 7, that is, so that the insole 18 is separated.
Further, in the illustrated example, a leg portion 23 is provided on the front end portion of the bottom surface of the lower box 7, that is, on the bottom surface of the lunch box 5 on the side away from the locking portion 16. The height is set to be not less than the height of the heating part 2 of the tray 1 and not more than the height of the protruding part 3. Thereby, it can prevent that the lunch box 5 inclines to the front side by the height of the heating part 2. FIG. In addition, if the height of this leg part 17 and this leg part 23 is made higher than the height of the heating part 2, the horizontal state of the lunch box 5 can be maintained more stably. The leg portion 23 can also be formed by the same method as the leg portion described above.

  According to the lunch box 5 having the above-described configuration, the tableware with the ingredients that need to be heated is surrounded by the protruding portion 3 of the serving tray 1 and is reliably heated by the heating portion 2. Become.

When the through holes 24 and 25 are formed when the leg portion 23 is formed, these through holes also function as a cold air inlet during heating. Furthermore, when the latching | locking part 16 is comprised as a through-hole, these through-holes will function also as a cold air inlet.
Further, the total area of the cold air inlet during heating is preferably smaller than the total area of the cold air outlet. This is because more cold air can be taken into the lunch box 5 by the draft.

  Further, as shown in FIG. 5, in order to heat two or more lunch boxes on the serving tray 1, it is preferable to provide two or more sets of the heating unit 2 and the protruding portion 3 on the serving tray 1. . This is because heat treatment can be performed efficiently.

Next, a layout vehicle according to an embodiment of the present invention will be described with reference to FIG.
The distribution vehicle 26 includes a box 27 having an opening 27a on the front surface, and an opening / closing door 28 that opens and closes the opening 27a is provided in the opening 27a. With the open / close door 28 open, the tray 1 is inserted and removed from the opening 27a.
Further, casters 29 are provided at four corners on the lower surface of the box body 27, and handles 30 are provided on the upper surface of the box body 27 on the left and right sides. As a result, the operator can hold the handle 30 and push the distribution vehicle 26 to move the distribution vehicle 26.

  The inside of the box 27 is partitioned into two spaces S1 and S2 on the left and right. In the two spaces S1 and S2, eleven ridges 31 parallel to each other are provided on the left and right walls. Although not shown, the protrusion 31 is formed in a substantially U-shaped cross section, and the layout tray 1 is placed so as to be sandwiched between the protrusions 31. As a result, the lunch box 5 on the 22 trays 1 can be heated at once by the distribution vehicle 26. Further, in the illustrated example of each of the spaces S1 and S2, the U-shaped inner upper surface of the protrusion 31 provided on the left inner wall is in contact with the contacts 4a and 4b of the layout tray 1 for energization. The contact 4a is provided in a state of being biased downward by an elastic member such as a spring, and when the layout tray 1 is placed on the protrusion 31, the contact 4a provided on the upper surface of the rising portion 1b of the layout tray 1; It comes in contact with 4b. Further, a cooling panel is attached to the right inner wall in the illustrated example of each of the spaces S1 and S2. Although not shown, this cooling panel is driven under the control of the control unit, and the inside of the layout vehicle 26 can be cooled by radiating cool air from the cooling panel. When the lunch box 5 is stored in the distribution box 26, the cold air inside the distribution box 26 is taken into the lunch box 5 from the cold air inlet provided in the lunch box 5. Cooling state is maintained.

When the lunch box 5 is transported by the distribution wheel 26, the food cooked in advance is quickly cooled, and each dish is served on the tableware. The tableware on which the food is placed is provided in the insole 18 in the lunch box 5. Place within ~ 21.
In addition, the tableware in which the food which needs heating is put on the heating part 2a, 2b when the tableware on which the food which needs heating is mounted on the distribution tray 1, and the tableware in which the food which does not need heating is placed in other positions Placed in.

  The lunch box 5 in which tableware is arranged is placed on the serving tray 1 such that the protruding portions 3a and 3b provided on the serving tray 1 are fitted to the locking portions 16 on the bottom surface of the lunch box 5. Subsequently, the layout tray 1 is placed on the protrusion 31 in the box 27 from the opening 27a in a state where the opening / closing door 28 is opened, and the opening / closing door 28 is closed. The inside of the box body 27 is cooled by a cooling panel, and the cooling state of all the ingredients in the lunch box 5 is maintained by taking cold air into the lunch box 5 from the cold air inlet provided in the lunch box 5. . When only cooling is performed, all the through holes provided in the lunch box 5 function as cold air inlets and simultaneously function as cold air outlets. When the operator performs a predetermined operation on the operation unit, the heating units 2a and 2b provided on the layout tray 1 are energized from the contact points in the box 27 through the contact points 4a and 4b of the layout tray, and the heating units 2a and 2b. The ingredients in the tableware provided above are heated. Even during heating, the cooling panel is driven, and the inside of the box 27 is cooled as a whole. When the through holes 24 and 25 are formed on the bottom surface of the lunch box 5, the cool air inside the box 27 is taken into the lunch box 5 from these through holes, and the food that does not require heating is kept in a cooled state. It is. When the engaging portion 16 on the bottom of the lunch box 5 is configured as a through hole, cold air is also taken from these through holes. Heat and steam are generated in the lunch box 5 by heating, and the heat and steam are discharged from through hole groups (steam holes) 10 and 11 provided in the upper box 6.

  When the catering time approaches, the energization control for the heating units 2a and 2b is performed by the operator performing a predetermined operation on the operation unit or by a predetermined timer function.

  In this way, among the ingredients in the lunch box 5 on the serving tray 1, the ingredients that need to be heated are heated, and the ingredients that do not need to be heated are kept in a cooled state. After cooking, the lunch box 5 is carried by the distribution car 26 and the distribution work is performed. In the present embodiment, since the lunch box 5 is made of paper, it may be recycled, but it can also be disposable.

  In addition, although the heating part 2 of the layout tray 1 demonstrated above was demonstrated using what was provided in convex shape from the flat surface 1a, the shape of this heating part 2 is for demonstrating the leg part 23. The heating unit 2 may not be convex.

DESCRIPTION OF SYMBOLS 1 Arrangement tray 1a Flat surface of arrangement tray 1b Rising part of arrangement tray 2, 2a, 2b Heating part 3, 3a, 3b Protruding part 3a ₁ , 3b ₁ Protruding part on the back side 4a, 4b Contact point 5 For cooking Lunch box 5a Upper side of back side of lunch box for cooking 6 Upper box 7 Lower box 8 Tableware 9 Tableware 10 Through hole group 11 Through hole group 12 Through hole 13 Through hole 14 Through hole 15 Through hole 16 Locking portion 16a ₁ , 16b ₁ Locking portion on the back side of the lunch box for heating and cooking 17 Leg portion 18 Insole 19 Opening portion 20 Opening portion 21 Opening portion 22 Leg portion 23 Leg portion 24 Through hole 25 Through hole 26 Serving wheel 27 Box 27a Opening 28 Opening and closing Door 29 Caster 30 Handle 31 Projection S1, S2 Space

Claims (8)

  A cooking lunch having a bottom surface configured to fit into the protruding portion on a cooking tray having a heating portion and a protruding portion provided around the heating portion. A cooking method characterized by placing a box and heating ingredients in tableware disposed in the cooking lunch box.   The two or more sets of the said heating part and the said protrusion part were provided on the said tray so that two or more said lunch boxes could be heated on the said tray. Cooking method.   A bottom surface provided with a locking portion that is placed on a cooking tray for heating cooking that includes a heating portion and a protruding portion provided around the heating portion, and engages with the protruding portion. Lunch box for cooking.   The cooking according to claim 3, wherein a cold air inlet for introducing cold air into the lunch box during heating is provided on the bottom side of the lunch box, and a cold air outlet for discharging the cold air is provided on the upper side. Bento box.   The insole is divided so as to receive a plurality of tableware bottoms to be arranged in the lunch box, and the insole has legs on the outer periphery so as to be separated from the bottom surface of the lunch box. The lunch box for heating cooking according to claim 3 or 4.   The heating portion is provided in a convex shape on a flat surface of the serving tray, and the protruding portion is configured to be higher than the heating portion, and at least on the bottom surface of the lunch box on the side away from the locking portion. The leg part is provided, The height of the said leg part is made into the height of the said heating part or more, and it was in the range below the height of the said protrusion part, The any one of Claim 3 thru | or 5 characterized by the above-mentioned. The lunch box for cooking according to item.   The lunch box for heating and cooking according to any one of claims 3 to 6, wherein a steam hole is provided in a lid of the lunch box for heating and cooking.   It is a distribution vehicle which can arrange | position the said distribution tray which mounted the cooking lunch box of any one of Claim 3 thru | or 7 in an up-down direction, Comprising: The cooling device for cooling the inside of a distribution vehicle is provided. And a contact point is provided at a position where the contact point is in contact with a contact point provided on a side surface of the layout tray when the layout tray is stored in the layout vehicle.

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