KR20130018203A - Portable cooker - Google Patents

Abstract

PURPOSE: A portable cooker mounts a pressure controlling unit in the upper part of a cooking container and cooks the food in a status of high pressure in the cooking container, thereby make a good taste of food and improve the portability. CONSTITUTION: A portable cooker comprises an insulating container, a cooking container, and a covering unit(50). The insulating container forms an evacuated thermal insulation layer(12) comprised of vacuum. The cooking container is inserted in the insulating container. The covering unit covers the upper side of the cooking container. The insulating container is comprised of an inner wall body(24), and an outer wall body(20), and it forms the evacuated thermal insulation layer which is vacuumized between the inner wall body and the outer wall body. A dew condensation prevention structure is formed in the part contacting with the outer periphery holding unit(34) of the opened outer periphery of the upper part of the cooking container, inside the covering unit(50). The part contacting with the outer periphery holding unit as a standard, the dew condensation prevention structure is structured to be open in a certain angle from the outer periphery holding unit. The external side of the inner wall body forms a three-plating layer of a nickel plating+copper plating+nickel plating.

Description

Portable Cooker {Portable Cooker}

The present invention relates to a portable cooker, which will be described in more detail. The heat generated by reacting the heating element composed of quicklime with water in the inside of the heat insulation container having a double vacuum layer formed between the inner wall and the outer wall generates water and heats the food into the heat insulation container. The present invention relates to a portable cooker capable of cooking food in a cooking vessel at a temperature of about 100 degrees by inserting a cooking vessel containing food for cooking.

As economic conditions and the five-day workweek are implemented, leisure time increases, and many people enjoy weekend trips, fishing, and climbing. In the leisure life, except for eating out, most people have food, portable containers and cooking utensils (burners, fuels, etc.) prepared for cooking their own food. Or boil water.

In order to cook using fire in the open air, containers and ingredients, burners, fuels, etc. must be carried at the same time, which is difficult to transport due to its bulky and heavy weight. There was an inconvenience to do in.

In recent years, as fires by mountaineers and campers have increased greatly, the use of fire-fired equipment is strictly regulated.They use a thermos, etc. to carry rice or warm water in a hiking backpack, and then immediately arrive at the destination. Eating in the maximum range that the public can utilize.

Hot water could be carried with a thermos and a cup ramen or a portable cooktop at the mountain, but this restriction did not satisfy the desire for people to eat cooked food.

Above all, there is a need for a method and apparatus for cooking food using boiling water at 100 ° C without using fire.

The present invention has been made to solve the above problems, and between the inner wall and the outer wall to place a portable heating element inside the heat-insulated container consisting of a vacuum and to react with water to generate heat, thereby the temperature of the boiling water is about 100 degrees It is an object of the present invention to provide a portable cooker that is maintained for a long time to ensure that foods such as raw rice and raw meat are perfectly cooked.

In order to achieve the above object, the portable cooker according to the present invention, the heat insulating container 10 is formed with a vacuum insulation layer 12 composed of a vacuum; A cooking vessel 30 inserted into the insulation container 10; And a cover part 50 covering an upper portion of the cooking container 50,

The inner wall 24 and the outer wall 20 are formed in the heat insulating container 10, and the vacuum insulation layer 12 is formed by vacuuming between the inner wall 24 and the outer wall 20. ,

The condensation prevention structure is formed in a part of the cover portion 50 in contact with the outer peripheral surface locking portion 34 of the open outer peripheral surface of the upper portion of the cooking vessel 30,

The condensation preventing structure is characterized in that it is configured to be separated from the outer circumferential surface engaging portion 34 by a predetermined angle with respect to the portion where the outer circumferential surface engaging portion 34 abuts,

The outer surface of the inner wall 24 is characterized in that the triple plating film of nickel plating + copper plating + nickel plating is formed,

The cooking vessel 30 is characterized in that 1 to 8 mm is spaced apart from the inner side of the heat insulating container 10,

The opening of the upper portion of the cooking vessel 30 is characterized in that the pressure control unit 60 for adjusting the pressure is installed.

The portable cooker according to the present invention uses a heating element to boil water at 100 degrees Celsius in an insulation container in which an inner wall and an outer wall form a vacuum insulation layer, and heats the outside of the insulation container while the water is boiling by the heating element. Almost no loss is generated, and most of the generated heat is transferred into the cooking vessel containing the food inserted into the insulated container, thereby effectively preparing food such as raw rice and raw meat.

When the user of the present invention when climbing, fishing, etc. can be made to eat warm rice using raw rice outdoors, and also boiled raw pork, etc., it is effective to eat delicious. Therefore, the user of the present invention no longer needs to carry a cooking utensil using a fire such as a portable burner, and is smaller than that, and is convenient to carry, and there is no danger of fire. As in the outdoors, the food can be conveniently cooked and cooked.

In addition, by installing a pressure control unit in the upper end of the cooking vessel there is an effect to improve the taste of the food by cooking food in a high pressure in the cooking vessel.

1 is a perspective view of a portable cooker according to the present invention.
Figure 2 is a front view of the portable cooker according to the present invention from the front.
3 is a cross-sectional view of the portable cooker according to the present invention.
4 is a cross-sectional view of a cooking vessel inserted into a heat insulation container in a portable cooker according to the present invention.
5 is an enlarged view of a portion A of FIG. 4.
6 is an enlarged view of a portion B of FIG. 4.
7 and 8 are cross-sectional views of the pressure control unit is installed pressure regulating valve in a portable cooker according to the present invention.
Figure 9 is a cutaway view of a modified embodiment of the configuration around the upper edge of the inner wall in the portable cooker according to the present invention.
Advantages, features and preferred embodiments of the present invention will be described in detail below with reference to the drawings.

1 is a perspective view of a portable cooker according to the present invention. Figure 2 is a front view of the portable cooker according to the present invention from the front.

1 and 2, the portable cooker according to the present invention includes a heat insulation container 10 having a heat insulation layer formed of a vacuum on a wall thereof, a cooking vessel 30 inserted into the heat insulation container 10, and the cooking vessel 50. It is comprised by the cover part 50 which covers the upper part of ().

The upper outer circumferential surface of the cooking vessel 30 according to the present invention has a handle 32 that allows the user to hold the cooking vessel 30 by hand.

The heat insulating container 10 and the cooking container 30 of the present invention may be made of stainless steel of sus series.

In addition, in some cases, the cover part 50 may also be made of stainless steel of sus series in addition to the plastic injection molding.

3 and 4 are cutaway views of a portable cooker according to the present invention.

3 and 4, the wall surface constituting the heat insulating container 10 of the present invention is composed of a double vacuum insulating layer 12, so that the temperature of the object accommodated in the inside of the heat insulating container 10 of the present invention Make sure it lasts a long time.

The heat insulation container 10 of this invention is comprised by the double wall structure of the outer wall body 20 and the inner wall body 24 which consist of stainless steel of the series series, and between the outer wall body 20 and the inner wall body 24 is vacuum-processed. The vacuum insulation layer 12 is formed.

The detailed configuration of the outer wall 20, the inner wall 24 and the vacuum insulation layer 12 of the present invention is denoted as B and will be described in detail with reference to FIG.

The bottom of the heat insulating container 10 of the present invention is configured to be coupled to the support plate 14 which is a plastic injection molding.

Part A of FIG. 4 shows a condensation preventing structure of the cover part 50 of the present invention. A detailed configuration will be described in detail with reference to FIG. 5 below.

A user who wants to cook food using a portable cooker according to the present invention puts food to be cooked inside the cooking container 30, and generates heat by reacting with water on the inner bottom of the heat insulating container 10 to generate heat 40. ) And pour water.

The invention 40 used in the present invention is developed to generate heat when mixed with water with quicklime (calcium oxide).

The user of the present invention inserts the cooking vessel 30 containing the food into the insulation vessel 10 when the invention 40 placed on the inner bottom of the insulation vessel 10 starts to generate heat by reacting with water.

Since the vacuum insulation layer 12 processed by vacuum is formed between the outer wall body 20 and the inner wall body 24 of the heat insulation container 10 of the present invention, the heat dissipated by the heat generating element 14 reacting with water is insulated. Most of the heat is transferred to the cooking vessel 30 made of sus series stainless steel without being discharged to the outside of the container 10, so that foods such as rice and pork stored in the cooking vessel 30 are 100 degrees Celsius. It is cooked perfectly at the temperature of.

In part C of FIG. 4, the outer surface of the cooking vessel 30 and the inner wall 24 are spaced apart by a predetermined interval. In the present invention, the spaced interval C is configured to be 1 mm to 8 mm. This is because the food stored in the cooking container 30 is cooked most evenly at such intervals.

The cover insulation portion 52 such as styrofoam is configured inside the cover portion 50 of the present invention to prevent heat in the cooking vessel 30 from being released to the outside. The cover insulation portion 52 of the cover portion 50 may also form a vacuum layer by forming a vacuum layer like the heat insulation container.

And, the cover portion 50 of the present invention is configured to engage with the coupling member 16, which is a plastic injection molding.

5 is an enlarged view of a portion A of FIG. 4.

5, the condensation preventing structure of the lid portion 50 according to the present invention is shown.

The condensation prevention structure is comprised in the part which the outer peripheral surface engaging part 34 of the upper part of the cooking container 30 of this invention abuts on the inner part of the cover part 50.

The outer condensation prevention part 54 and the inner condensation prevention part 56 are comprised so that each may open by a predetermined angle with respect to the part which the outer peripheral surface engaging part 34 of this invention contacts.

With respect to water droplets caused by water vapor generated from food and water cooked in the cooking vessel 30 of the present invention, the inner condensation preventing portion 56 is inclined by a predetermined angle toward the center of the cooking vessel 30. Water vapor into the cooking vessel 30 again.

And, since the outer condensation preventing portion 54 is configured to be inclined downward by a predetermined angle, the heat generating body 40 is configured to flow down into the inside of the heat insulation container 10 with respect to the water vapor generated by the heat generation.

In the present invention, it is preferable that the outer ring engaging portion 34 is not provided with an O-ring made of silicon, rubber, or the like. This is to prevent an increase in pressure into the cooking vessel 30 during cooking.

6 is an enlarged view of a portion B of FIG. 4.

Referring to Figure 6, the outer surface of the inner wall 24 of the portable cooker according to the present invention is formed with a plating layer to further increase the heat insulating and insulating effect.

The outer surface of the inner wall body 24 according to the present invention is plated with nickel (Ni) first, then plated with copper (Cu), and finally triple plated with nickel (Ni) again. It has the structure of the plating layer which consists of.

The reason why the outer surface of the inner wall 24 made of stainless steel, which is sus-based metal, is first plated with nickel (Ni) is higher than that of copper (Cu) plated film, This is because the adhesion with the outer surface of (24) can be maintained for a longer time.

If plating the outer wall of the inner wall 24 only with copper (Cu), there is a problem that the life of the copper plated film is shortened. Therefore, since the nickel plating film is first formed on the outer surface of the inner wall 24, the copper plating film is more firmly applied to the inner wall 24 for a long time.

The reason why the nickel plated film is formed again on the copper plated film is that the copper plated film is easily discolored in the air due to the characteristics of copper, and when in contact with air, an inert gas is easily generated. Therefore, in order to prevent discoloration of the copper plated film and generation of an inert gas during the formation of the vacuum insulation layer 12, the nickel plated film is again plated and coated on the copper plated film.

As described above, in the present invention, the triple plating layer of nickel + copper + nickel is constituted to maintain the temperature of the cooking vessel 30 accommodated inside the inner wall 24 for a longer time, and further, the life of the plating layer can be maintained. There are technical features to extend.

7 and 8 are cross-sectional views of the pressure control unit is installed pressure regulating valve in a portable cooker according to the present invention.

Referring to FIG. 7, the pressure adjusting unit 60 may be installed at the open outer circumferential surface engaging portion 34 of the upper portion of the cooking vessel 30 of the present invention.

The pressure adjusting unit 60 of the present invention is a means for lowering the increased pressure when the cooking vessel 30 increases in pressure while cooking the food contained in the cooking vessel 30.

In FIG. 7, the pressure regulating valve 64 stands up, and the pressure regulating valve 64 is opened.

8 shows a state in which the cover 50 according to the present invention is coupled to the heat insulation container 10, and shows a state in which the pressure regulating valve 64 is laid down and closed.

When cooking using the portable cooker of the present invention, the cover portion 50 is fixed by screwing with the coupling member 60, which is a plastic injection molded product installed around the upper portion of the thermal insulation container 10, in this case the pressure control unit ( The pressure regulating valve 64 of 60 is kept closed.

When the pressure regulating cover portion 62 of the present invention is installed on the outer circumferential surface locking portion 34 of the cooking vessel 30, an O-ring made of silicon or rubber is fitted to the outer circumferential surface locking portion 34 of the present invention.

As described above, the food to be cooked in the state in which the pressure adjusting unit 60 of the present invention is installed on the open upper portion of the cooking container 30 may give a more delicious food taste.

Figure 9 is a cutaway view of a modified embodiment of the configuration around the upper edge of the inner wall in the portable cooker according to the present invention.

Referring to FIG. 9, in the portable cooker according to the present invention, a periphery of the upper edge of the inner wall 24 constitutes a bent portion 72 that is bent in a "-" shape. It is configured to combine the coupling member 16 of the plastic material with the bent portion by the insert injection method to prevent the coupling member 16 of the plastic material from being separated from the heat insulating container 10 due to the high temperature of the heating element 40. Has the effect of

In addition, a plurality of holes 74 are formed around the upper surface of the inner wall 24 of the present invention so that the coupling member 16 is coupled to the upper end of the thermal insulation container 10 by insert injection. 10) has a configuration that the coupling member 16 is more firmly coupled to the upper end of the.

The portable cooker according to the present invention is an invention in which a heating element that generates heat by reacting with water and a heat insulating container having a double vacuum insulating layer are organically combined instead of a cooking utensil in which hot fire such as a burner is directly applied for cooking food. Therefore, since the user can cook hot rice or cook raw meat during outdoor activities such as hiking and fishing, the user can enjoy the cooking state of food such as cooking at home outdoors, and also the conventional Since the cooking utensils are used directly by fire, problems such as wildfire or burns in use are fundamentally blocked.

The vacuum insulation layer formed of the double vacuum layer of the heat insulation container of the present invention has a significant effect of preventing heat loss to the outside as much as possible, and heat generated heat is transferred to the cooking vessel to be used for cooking food.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments thereof are possible. Accordingly, the true scope of protection of the present invention should be determined only by the appended claims.

10: heat insulation container 12: vacuum insulation layer
14: support plate 20: outer wall
24: inner wall 30: cooking vessel
32: handle 34: outer peripheral surface engaging portion
40: heating element
50: cover portion 52: cover insulation portion
52: inside condensation preventing unit 54: outside condensation preventing unit
60: pressure control unit 64: pressure control valve

Claims (6)

A heat insulation container 10 having a vacuum insulation layer 12 composed of a vacuum;
A cooking vessel 30 inserted into the insulation container 10; And
Portable cooker, characterized in that consisting of a cover portion 50 covering the upper portion of the cooking vessel (50).
The method of claim 1,
An inner wall 24 and an outer wall 20 are formed in the heat insulating container 10, and the vacuum insulation layer 12 is formed by vacuuming between the inner wall 24 and the outer wall 20. Portable Cooker.
The method of claim 1,
The condensation prevention structure is formed in a part of the cover portion 50 in contact with the outer peripheral surface locking portion 34 of the open outer peripheral surface of the upper portion of the cooking vessel 30,
The condensation preventing structure is a portable cooker, characterized in that configured to be opened with the outer circumferential surface engaging portion 34 by a predetermined angle relative to the portion where the outer circumferential surface engaging portion (34) abuts.
The method of claim 2,
The outer surface of the inner wall (24) is a portable cooker, characterized in that a triple plating film of nickel plating + copper plating + nickel plating is formed.
The method of claim 1,
The cooking vessel 30 is a portable cooker, characterized in that 1 to 8 mm spaced apart from the inner side of the heat insulating container (10).
The method of claim 1,
Portable cooker, characterized in that the pressure control unit for adjusting the pressure is installed in the opening of the upper portion of the cooking vessel (30).

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