KR102095232B1 - a long time heating bowl for fotiaoqiang - Google Patents

Abstract

The present invention is a technology for a container for Fotiaogiang cooking capable of maintaining heat for a long time. More specifically, the present invention relates to a technology for a container for Fotiaogiang cooking capable of maintaining heat for a long time, which contains a built-in lattice structure containing a heat medium inside thereof to allow Fotiaogiang dish, requiring long-time heat retention during cooking among Chinese course meal, to be not cooled for a long time and to be stored at an optimum temperature. By the same, it is possible to provide Fotiaogiang dish at the optimum temperature by heating the same just before service, and to provide best dish by maintaining the same temperature for about an hour for a long time.

Description

    {A long time heating bowl for fotiaoqiang}

The present invention is a technology for a container for non-painting cooking capable of maintaining heat for a long time, and a built-in lattice structure containing a heat medium is incorporated inside a container body for cooking, so that a non-coated dish requiring long-term heat retention during cooking for a long time does not cool for a long time and is at an optimum temperature. It is a technology for containers for uncoated dishes that can be kept warm for a long time that can be provided to be kept warm.

Known as one of the finest cuisines in Guangdong, China, buldojang (佛跳牆; fotiaoqiang) is one of China's representative Chinese cuisine, and is known as a nourishing food that Koreans cannot easily access.

As it originated from the dish that the monk ate over the wall, it has 12 kinds of 18 kinds of main ingredients such as chicken, duck, pork tendon, shark fin, and dried sea cucumber. The fire coating, which uses a total of 30 kinds of ingredients, including ingredients, is baked or steamed and placed in a pot containing Chinese red wine, Sohongju, and boiled over a low heat for a long time to take a full day or two. As a result, various recipes are passed on and it is known as the finest cuisine in Fuzhou.

In addition, since authentic Chinese cuisine is provided for a long course, in order to enjoy various dishes properly, services considering the cooking time and meal time must be provided. It is important to maintain.

For this reason, in most Chinese restaurants, it is often served in a porcelain container while boiling at about 100 ℃, so it is easy to burn your mouth if you burn in the serving process or eat quickly while the temperature is unknown. It would happen.

Meanwhile, the manufacturing method of instantaneous fusion cup fire-coated nurungjitang of Korean Patent No. 10-2005-2606, which is patented in Korea, is an instantaneous technology that can quickly and easily provide rice-based meals by pouring hot water. However, it was not enjoyable with authentic Chinese cuisine.

Another domestic patent application No. 10-2011-16713 improves the instant fire-coated nurungji-tang to prepare a frozen retort fire-coated raw material for frozen seafood by pre-processing ice crystals and suppresses freezing and protein denaturation after thawing to preserve texture. As a result, there is an advantage in terms of distribution and quality in that the prior art is much improved, but there is still a problem in providing an optimal service in a Chinese course service that continues for more than 1 hour.

On the other hand, most of the unpainted dishes are served in a thick porcelain material with a lid when they are serviced, but there is a problem that they cool down after about 1 hour without exception without heating.

Republic of Korea Patent Publication No. 10-2011-16713 Republic of Korea Patent Publication No. 10-2005-2606

The present invention is to solve the above problems, and is intended to provide a container specialized in non-coated dishes as a container for which a cooking temperature can be maintained for a longer period of time compared to a non-coated service conventionally serviced from the consumer's point of view.

In order to solve the above problem, the present invention provides a container for uncoated cooking comprising: a circular first body in which a heating element is embedded; and a second body matingly coupled to the first body from the inside of the first body. The first body and the second body are molded from a polypropylene plastic material to which a temperature-modifying dye is added, and the heating element is molded into a structure in which a hexagonal honeycomb lattice body consisting of a partition wall having a diameter of 1 cm, a depth of 5 mm and a thickness of 1 mm is continuously formed. The upper part is opened and the lower part is integrally molded using a rubber material. Each lattice is filled with liquid paraffin, a heat transfer pin is inserted, and the opening is completely sealed with silicone. It is possible to provide a container for unpainted food that can maintain the temperature in the range of 74 to 85 ° C for 1 hour.

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Since the container for the unpainted dish according to the present invention has a heating element inside the container body, it is heated immediately before service to provide an unpainted dish at an optimum temperature when used, and maintains the dish in an optimal state by maintaining the same temperature for about 1 hour. .

Also, other effects of the present invention not mentioned above will be clearly understood by those skilled in the art from the following description.

1 is an exploded perspective view showing an example of an exploded configuration of a container for uncoated cooking that can be kept for a long time according to the present invention, in addition to the container body 110, the lower pedestal 130 and the upper cover 150 are configured as a set, , Each having a built-in heating element.
2 is a cross-sectional view showing an example of a container for non-painting according to the present invention.
3 is an exploded perspective view showing an example of the lower pedestal of the present invention in a detailed configuration.
4A, 4B, and 4C are cross-sectional views illustrating the AA section of the heating element of FIG. 3.
5 is an example in which a temperature sensor and a display representing the same are installed in the container body of the present invention.
FIG. 6 is a container for uncoated cooking used in the prior art, and uses a stand at the bottom to prevent burns in a hot state, and a cover at the top for optimal cooking temperature.

Hereinafter, with reference to the accompanying drawings will be described with reference to embodiments of the present invention, in the description, if it is determined that a detailed description of the relevant known functions or configurations may unnecessarily obscure the subject matter of the present invention, detailed description thereof will be omitted. do. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or precedent. Therefore, the definition should be made based on the contents throughout this specification.

The unpainted dish is provided in a hot and heated condition, but the optimum cooking temperature has been investigated and verified by experts to provide the best taste of the dish.

The survey was conducted by survey of 50 Chinese restaurant chefs (25 male and 25 female) in Seoul, and the results were as follows.

Container temperature (℃) 100 ℃ 95 ℃ 85 ℃ 75 ℃ 65 ℃ 55 ℃ Number of selectors 0 people 2 people 35 people 13 people 0 people 0 people

As shown in Table 1, most of the Chinese restaurant chefs set the optimum uncoated cooking temperature between 75 ℃ and 85 ℃.

When grasping with reference to FIGS. 1 to 4, the container 100 for non-painting cooking capable of maintaining heat for a long time according to the present invention includes a container body 110 for accommodating dishes and a heating element 170 inside the container body. Basically, an upper cover 150 that seals the upper portion of the container body 110 and a lower pedestal 130 supporting the container body 110 may be added.

In addition, the container body 110 has a 'U' shaped structure like a conventional cooking container, and has a double structure in which an interior space 112 in which a heating element 170 is built is provided.

In addition, the material of the container body 110 is preferably a metal such as plastic or stainless steel, which is capable of forming double structures inside and outside. This is because it is possible to manufacture in various shapes and shapes with cost reduction in mass production.

As a more specific example, the container body 110 may be formed of a structure in which the first body 111 and the second body 113 are combined. It is preferable that the interior space 112 in which the heating element 170 is built is separately provided between the first body 111 and the second body 113.

In addition, in the heating element 170, as shown in FIG. 4A, two or more lattices 173 with partition walls are continuously formed, but the upper and lower parts of the lattice are filled with the lattice structure 171 and the lattice 173. Heat medium 174, and may be made of a sealing material 175 for sealing the open upper and lower parts of the grid structure (171).

The lattice structure 171 may be illustrated as a hexagonal honeycomb lattice chain as shown in FIG. 3, but may be a lattice such as a circle or a square. However, the hexagonal honeycomb lattice has a structure with the highest stability, and in the container of the present invention, which is repeatedly used at high and low temperatures, the hexagonal honeycomb lattice can provide a more stable effect for a long time compared to a circular shape.

In addition, the lattice structure 171 is formed with a plurality of partition walls forming a lattice 173, as shown in Figures 4b and 4c, for example to form a bottom portion 172 that seals one surface of the lattice In one state, the structure may be open only on the other surface. Through this, manufacturing cost can be reduced and workability can be increased during mass production, and work efficiency can be increased when installing a heat transfer pin described below.

That is, the bottom portion 172 may serve to induce the heat stored in the heat medium 174 not to be dissipated to the outside, so that the heat stored therein is transferred only to the interior space of the unpainted dish.

In addition, the heating element 170 may further improve the heat transfer effect by further including a heat transfer pin 177 to transfer to the interior space in which the unpainted dish is accommodated, as shown in FIG. 4C. In detail, the heat transfer pin 177 may be exemplified by stainless steel, aluminum, and copper having excellent heat conductivity.

In one embodiment, the heat transfer pin 177 seals the opening with the sealing material 175 before the heat medium is cured in a state where the liquid heat medium is filled in the lattice structure 171 or after the sealing material is inserted into the heat medium before sealing the sealing material It can be sealed with (175). At this time, the bottom portion 172 is made of a heat insulating material to suppress heat dissipation toward the outside of the container body, and the heat transfer fins can significantly reduce heat loss and improve heat retention performance by transferring heat toward the inside of the unpainted dish. have.

In addition, the lattice structure 171 may be exemplified by any one of synthetic resin, rubber, metal and mineral.

In the case of a lattice structure 171 molded from synthetic resin, PP with excellent processability. Because it is injection molded from materials such as PE, rubber, or silicone, it is easy to mass-process with various structures, and it is particularly advantageous in terms of usability and cost because it is easy to deform into various shapes and sizes to correspond to the container body with good elasticity. Since synthetic resin is continuously exposed at high and low temperatures, it is preferable to use a material with high temperature durability.

As another example, when the lattice structure 171 is formed of metal, the metal has much better thermal conductivity than other materials, and thus has the feature of uniformly supplying heat to the entire area of the heating element. In addition, it is preferable to use a shape memory alloy for storing the metal in a predetermined shape. Through this, it is possible to support maintaining a predetermined shape even when the temperature is changed.

In the case of injection molding by mixing mineral powders such as kaolin, white clay, and alumina with an adhesive resin, the structure has a large heat capacity, and thus, when used with a heating medium, may be advantageous for long-term heat supply. However, minerals can be used by mixing only a certain ratio so that the materials that can be used are limited to synthetic resin and moldability.

The heat medium 174 is a material having a large heat capacity, and heats the uncoated dish of the container body 110 for a long time. When heating the heat medium, the heat energy that can be worked is stored, and then heat is dissipated to support the dish to be kept at a constant temperature.

The container body 110 in which the heat medium is embedded according to the present invention is put in boiling water before use, and then heated to contain unpainted food.

The heat medium 174 is preferably a phase transition material, and a phase transition material is preferably a phase transition material at a temperature of 30 ℃ ~ 90 ℃.

Phase transition is a phenomenon in which a substance changes from a solid to a liquid phase. When a crystalline solid reaches a certain temperature, it starts to melt and the temperature does not rise until the solid is completely dissolved. This occurs because kinetic energy exceeds the intermolecular bond energy and the regular arrangement of molecules in the solid collapses. That is, when a phase transition property of a specific material is used, the phase of the phase transition material changes depending on the outside and repeatedly exhibits heat absorption (heat storage) and heat dissipation. For this reason, the phase transfer material can stably and continuously supply heat for a predetermined period of time once it has been transferred.

Among the phase transition materials, the alkanes paraffin has a wide temperature range of phase change and a relatively large amount of heat storage and heat dissipation. Phase transition occurs at various temperature ranges depending on the number of carbons. As an example, paraffin wax is an alkane (alkane) hydrocarbon represented by a chemical formula of C _n H _{2n +2} , which is harmless to the human body and has a large amount of heat storage and heat dissipation. The number of carbons in the molecular structure of the paraffin wax is 18≤n≤50, the specific heat capacity is about 2100 J / (g-1 · K-1), and the latent heat is 180 ~ 230 J / g As it provides a desirable technical feature when used as a heating medium.

The sealing material 175 is an example of a phase transfer material and seals the heat medium such as paraffin from being escaped from the lattice structure 171, and preferably includes at least one or more of silicone, polyurethane, acrylic, epoxy, and polysulfide. You can.

The sealing materials 175 and 175a seal one or both sides of the upper and lower surfaces of the upper and lower surfaces of the lattice structure as shown in FIGS. 4A to 4C, and are sealed by means such as an adhesive.

In the present invention, the upper cover 150 may include a heating element inside. To this end, the container body of the present invention is made of a structure in which the first body 151 and the second body 153 are coupled, but a heating element 170d is built in between the first body 151 and the second body 153. The interior space 152 may be formed of a double structure.

The lower pedestal 130 of the present invention may also incorporate a heating element therein. To this end, the lower pedestal of the present invention may be formed of a structure in which the first body 131 and the second body 133 are combined, and a double structure in which an interior space 132 in which a heating element is embedded is formed.

The top cover 150 closes the container body until food is provided to the consumer, blocks heat from being discharged to the outside, and supplies heat through the built-in heating element, so that when the meal is eaten over a long period of time, such as a course dish, In particular, the lower pedestal 130 can also maximize the heat preservation effect when heat is supplied from the lower side of the container body.

In addition, as an example, a lower portion of the upper cover 150 is provided with a first spiral portion 155 that is detachable when rotated, and is counter-fitted with the first spiral portion 155 at the upper portion of the container body 110. The second spiral portion 115 may be provided. Through this, the upper cover 150 is rotated on the container body 110 to be locked, thereby maintaining the cooking temperature while safely handling the contents so as not to overflow when serving, and then rotating and separating after serving.

On the other hand, in the present invention, as shown in Figure 5, by installing a temperature sensor and a display 119 on one side of the container body, it may be configured to check the temperature of the container during a meal. Through this, it is possible to visually check the optimum cooking temperature, and to assist the quick action by intuitively grasping the cooking status from the viewpoint of the serving.

Hereinafter, an embodiment of a container for non-coated dishes according to the present invention will be described.

The container body is formed of a polypropylene plastic material, and a circular first body having a diameter of 15 cm to provide an interior space for a heating element is prepared, and a second body coupled to the inside of the heating body, but in a state in which a heating element is embedded, is mated with the first body. The heating element was built in and combined.

A heating element is formed with a partition wall having a thickness of 1 mm, and a hexagonal honeycomb lattice having a diameter of 1 cm and a depth of 5 mm is continuously formed, but the upper part of the lattice is opened and the lower part is integrally molded using a rubber material and liquid paraffin is applied to each lattice. After filling, the top surface opening was completely sealed with silicone to prepare.

Subsequently, after the heating element was embedded in the interior space provided in the first body, the second body was bonded to the inside to be bonded with an adhesive to produce the main body of the container of the present invention.

In addition, the prepared container body was heated in boiling water at 100 ° C. for 1 minute, and then the temperature of the container body was measured at intervals of 10 minutes, but as a comparative example, it was treated under the same conditions using a commercially available mineral pot, 5 times. The measurement temperatures were repeated.

The room temperature at which this experiment was conducted was a normal temperature of 25-24 ° C, and the results are shown in Table 2 below.

Elapsed time (minutes) 10 20 30 40 50 60 Example 2
Average temperature (℃) 85 82 80 78 76 74 Comparative example
Average temperature (℃) 84 72 64 57 53 45

As a result of the experiment, as shown in Table 2, it was confirmed that the container body of the present invention maintained 74 ° C even after about 1 hour elapsed even after heating for 1 minute, and the temperature was maintained at a constant state for an hour. It can be seen that the temperature dropped rapidly from the first 20 minutes, and after only one hour, it was only about 45 ℃.

 From the above Example 2, it is confirmed that the container for unpainted food according to the present invention maintains the optimum unpainted food temperature checked according to the investigation of the Chinese chef for an hour, so that even when heated for a short time immediately before service, a hexagonal honeycomb is used. The container for the unpainted dish of the present invention incorporating a lattice structure was found to have excellent thermal insulation performance.

In addition, from Example 2, when using a hexagonal honeycomb lattice structure in addition to the container body as an upper cover and / or a lower pedestal, it is reasonably predicted that the temperature will be maintained more or less constant at about 80 ° C.

It is more preferable to add a temperature-variable pigment when molding the container for uncoated cooking of the present invention with synthetic resin or the like. This is because the color of the container can be visually confirmed.

On the other hand, in the detailed description of the present invention and the accompanying drawings, specific embodiments have been described, but the present invention is not limited to the disclosed embodiments and the technical spirit of the present invention can be understood by those skilled in the art to which the present invention pertains. Various substitutions, modifications and changes are possible without departing from the scope. Therefore, the scope of the present invention should be construed as being limited to the described embodiments and should not be determined, but should be interpreted to include those equivalent to the claims as well as the claims to be described later.

100: unpainted container 110: container body
111: first body 112: interior space
113: second body 115: second spiral portion
119: temperature sensor and display 130: lower stand
131: first body 132: interior space
133: second body 150: upper cover
151: first body 152: interior space
153: second body 155: first spiral
156: handle 170: heating element
171: grid structure 172: bottom
173: grid 174: heating medium
175: sealing material 177: heat transfer pin

Claims (10)

In the container for the uncoated cooking consisting of; a first body of a circular body with a built-in heating element; and a second body matingly coupled to the first body from the inside of the first body,
The first body and the second body are molded from a polypropylene plastic material to which a temperature-modifying dye is added,
The heating element is molded into a structure in which a hexagonal honeycomb lattice composed of partitions having a diameter of 1 cm, a depth of 5 mm and a thickness of 1 mm is continuously formed,
The lattice body is formed with a rubber material integrally formed at the top and the lower part, and each lattice is filled with liquid paraffin, and after inserting a heat transfer pin, the opening is completely sealed with silicone.
A container for uncoated dishes that can maintain the uncoated food temperature in the range of 74 to 85 ° C for 1 hour by heating for 1 minute. delete delete delete delete delete delete delete delete delete

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