KR20150049329A - Cooking vessel with Self-Regulation Plane Multi Heating element - Google Patents

Cooking vessel with Self-Regulation Plane Multi Heating element Download PDF

Info

Publication number
KR20150049329A
KR20150049329A KR1020130129736A KR20130129736A KR20150049329A KR 20150049329 A KR20150049329 A KR 20150049329A KR 1020130129736 A KR1020130129736 A KR 1020130129736A KR 20130129736 A KR20130129736 A KR 20130129736A KR 20150049329 A KR20150049329 A KR 20150049329A
Authority
KR
South Korea
Prior art keywords
heating element
self
paste
regulating
inner pot
Prior art date
Application number
KR1020130129736A
Other languages
Korean (ko)
Other versions
KR102027465B1 (en
Inventor
김병철
Original Assignee
부산대학교 산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 부산대학교 산학협력단 filed Critical 부산대학교 산학협력단
Priority to KR1020130129736A priority Critical patent/KR102027465B1/en
Publication of KR20150049329A publication Critical patent/KR20150049329A/en
Application granted granted Critical
Publication of KR102027465B1 publication Critical patent/KR102027465B1/en

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/02—Cooking-vessels with enlarged heating surfaces
    • A47J27/022—Cooking-vessels with enlarged heating surfaces with enlarged bottom
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates

Abstract

The present invention relates to a cooking vessel using a multi-temperature self-regulating type surface heating element in which a self-regulating (SR) heating element in the form of a paste is directly coated on a cooking vessel having a predetermined curvature to increase the efficiency of temperature control, And a curved surface heating element formed of a self-regulating (SR) heating element in the form of a paste directly coated on an outer curved portion of the inner pot mounted inside the outer case.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a self-regulating planar heating element,

[0001] The present invention relates to a cooking vessel, and more particularly, to a multi-temperature self-regulating type surface heating element in which a self-regulating (SR) heating element in the form of paste is coated directly on a cooking vessel having a predetermined curvature, The present invention relates to a cooking vessel used.

In general, an electric rice cooker is a device used for building or storing rice, and it is widely used in many countries where rice is used as stock because there is no need to adjust the fire power because it uses electricity that is easy to control automatically.

When you look at the operation principle of the rice cooker, the heating element is installed on the bottom or the body of the pot. When water and rice are put into the inside of the pot and heated, the water evaporates as time passes and becomes rice.

Electric rice cooker has been developed as a product that can cook and heat at the same time, starting from a product that can only be kept warm, and recently, because of convenience of use, almost all products that can cook and keep warm Respectively. Such an electric cooker can be classified into a general type, a timer type, and a micom type.

Also, it can be divided into a general rice cooker with a hot plate, a hot plate type pressure cooker, and an IH type pressure cooker depending on a heating method and a cooking method.

The IH type pressure cooker generates a magnetic force line of a coil when a current is supplied to a coil formed in a heated portion to be heated, and when the magnetic force line passes through a lower portion of the container formed on the upper portion, an eddy current (iron component) The eddy currents generated in this way generate heat only in the container.

Therefore, induction heating which does not transfer heat energy to other parts except the container, and only the container is heated, occurs. When the contact between the inner pot and the coil is removed, the heating is stopped instantaneously. And the heat transfer to other parts is suppressed, thereby increasing the service life.

The heating means of the rice cooker has been variously studied in consideration of the energy efficiency, the shortening of the cooking time, the quality of cooked rice, the heating and the temperature control efficiency, and the heating method, the position of the heating means, .

Particularly, when the heating element of the rice cooker is in the form of a coil, there are many restrictions on the structure of the product, and since it takes a long time to raise and lower the temperature, energy conversion efficiency is poor and power consumption is increased.

Further, due to the three-dimensional structure of the coil shape, the volume of the product is increased, the weight is increased, and the consumption of the heat generating material is increased.

In the case of a conventional pressure cooker, a detachable inner pot is provided therein, which is detachable and easily designed for easy cleaning by the user. In this case, a method of heating a bottom surface of a pot with a heating element is mainly used. There is a limit in the heating efficiency in the case of the rice cooker having the structure.

In order to solve these problems, there is a demand for development of new heating elements and structures.

Korean Patent Laid-Open No. 10-2012-0119058

In order to solve the problem of the prior art rice cooker heating element, the present invention provides a heating device having a self-regulating (SR) heating element in the form of paste directly coated on a cooking container having a predetermined curvature, The object of the present invention is to provide a cooking vessel using a temperature self regulating type surface heating element.

The present invention applies an SR (Self-Regulation) heating element capable of accurately controlling the temperature in a specific temperature range and capable of self-controlling power and temperature over time to the curved portion of the inner pot having a certain curvature, And it is an object of the present invention to provide a cooking vessel using a multi-temperature self-regulating surface heating element capable of drastically reducing power consumption.

In the present invention, a paste-type SR (Self Regulation) heating element having different heating temperature ranges is separated for each heating temperature and directly coated on an inner pot having a predetermined curvature to form a heating means, And it is an object of the present invention to provide a cooking vessel using a multi-temperature self-regulating surface heating element capable of selecting a heating element.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to another aspect of the present invention, there is provided a cooking apparatus using a multi-temperature self-regulating type surface heating element, comprising: an outer case forming an outer structure; a paste- And a curved surface heating element formed of an SR (Self Regulation) heating element.

Here, it is further characterized in that the flat-coated heating element comprises a paste-type SR (Self Regulation) heating element coated directly on the outer bottom surface of the inner pot.

The curved coating heat generating body and the flat coating heat generating body are formed by curing a paste in which an electric resistance material component, an insulating binder component and a temperature controlling material component are mixed and heated, Is a self-regulating heating element that keeps the temperature of the heating element constant.

The curved coating heating element or the flat coating heating element is characterized in that a plurality of self-regulating (SR) heating elements having different heating temperature ranges are coated apart from each other.

The curved surface heating element is an SR (Self Regulation) heating element in the form of a paste, which is coated directly on the inner curved portion of the inner pot.

According to another aspect of the present invention, there is provided a cooking vessel using a multiple temperature self-regulating type surface heating element, comprising: an outer case having a heat insulating material and forming an outer structure of the cooker; a first connection terminal formed on the inner side of the outer case; (Self-regulating) heating element formed of a paste type SR (Self Regulation) heating element directly coated on the outer curved portion of the inner pot installed in the inner pot, and a self-regulating (SR) heating element of paste type directly coated on the outer bottom surface of the inner pot And a second connection terminal connected to the first connection terminal to supply power to the curved coating heating element and the flat coating heating element when the inner pot is mounted inside the outer case.

The curved coating heating element or the flat coating heating element is a structure in which an insulating paste, an SR heating element paste applied on the insulating paste, and an external insulating paste are sequentially stacked on the inner or outer surface of the pot constituting the cooking container .

The cooking vessel using the multi-temperature self-regulating type surface heating element according to the present invention has the following effects.

First, the SR (Self Regulation) heating element in the form of a paste is directly coated on the curved surface portion of the inner pot having a certain curvature, thereby improving the temperature control efficiency by constituting the heating means.

Second, SR (Self-Regulation) heating element capable of precise temperature control in a specific temperature range and self-controlling power and temperature over time can be applied uniformly to the curved portion of the inner pot having a certain curvature .

Third, a self-regulating (SR) heating element in the form of a paste coated on the curved portion of the inner pot having a certain curvature can be separately coated for each heating temperature to constitute a heating means, and a self heating (SR) heating element can be selected according to the heating object.

Fourth, SR (Self Regulation) heating element in the form of paste is directly coated on the inner surface or the curved surface of the outer surface of the cooking vessel having a certain curvature, so that it can be easily applied to an electric rice cooker, a coffee pot, a multi- can do.

1 is a view illustrating a configuration of a cooking utensil using a multi-temperature self-regulating type surface heating element according to an embodiment of the present invention.
FIG. 2 and FIG. 3 are schematic diagrams of a heating element structure in which paste type SR (Self Regulation) heating elements having different composition ratios are separated by heating temperature
FIG. 4 is a cross-sectional view of a heating element using a multi-temperature self-regulating type surface heat emission element according to an embodiment of the present invention.
5 is a view illustrating a configuration of a cooking vessel using a multi-temperature self-regulating type surface heating element according to another embodiment of the present invention

Hereinafter, a preferred embodiment of the cooking vessel using the multi-temperature self-regulating type surface heating element according to the present invention will be described in detail as follows.

The characteristics and advantages of the cooking vessel using the multi-temperature self-regulating surface heating element according to the present invention will be apparent from the following detailed description of each embodiment.

1 is a view illustrating a configuration of a cooking vessel using a multi-temperature self-regulating type surface heating element according to an embodiment of the present invention.

FIGS. 2 and 3 are views showing a heating element structure in which paste-type SR (Self Regulation) heating elements having different composition ratios are separately coated for respective heating temperatures.

In the following description, the cooking container having the curved surface portion having a certain curvature constituting the curved surface heating element is described as the rice cooker and the coffee pot as an example. However, the cooking container to be applied to the present invention is not limited to the rice cooker and the coffee pot, It is a matter of course that it can be any device having a cooking vessel of a cooker structure such as a cooker.

A self-regulating heating element is coated on a curved surface portion of an inner pot having a certain curvature to increase the efficiency of temperature control. Thus, it is possible to accurately control the temperature in a specific temperature range, It is possible to control the power and the temperature according to the temperature.

In particular, a paste-type SR (Self Regulation) heating element is directly applied to the outer shape of the inner pot of a rice cooker using a curved silk printing machine.

That is, it is completed by applying an insulator to the curved portion of the inner pot having a certain curvature, applying a heating element, and further applying an insulator to prevent damage to the heating element.

In addition, in addition to the side profile of the inner pot, the bottom surface is coated with a heating element using a silk screen technique. In the case of the user, when the inner pot is separated, electricity is not applied and electrical safety is ensured. It is easy to clean in general structure.

When the inner pot is mounted, power is supplied through a connector such as a lino terminal, so that power loss is reduced through direct heating, and the contents can be easily kept warm.

A self-regulating (SR) heating element in the form of a paste, which is directly coated on the curved surface portion of the inner pot having a certain curvature, is prepared by coating a plurality of SR heating element compositions having different composition ratios in paste form, The power is applied to the SR heating element.

An example of the multi-temperature self-regulating surface heating element composition used in the production of the cooking vessel using the multi-temperature self-regulating surface heating element according to the present invention is as follows.

The composition ratios shown below are examples, and it goes without saying that the composition ratios and materials are not limited to these compositions.

As an example, a composition comprising 5 to 16% by weight of an insulating binder component, 50 to 75% by weight of a resistive component and 10 to 40% by weight of a temperature control component, The SR heating element composition whose temperature is controlled to 700 ° C can be directly coated on the tempered glass substrate to constitute a multi-temperature self-regulating surface heating element.

Here, the insulating binder component is preferably a polyester-based or epoxy-based material, and the resistance component is preferably a mixture of nickel and aluminum.

Further, one or more calibration components selected from molybdenum (Mo), boron (B), and silicon (Si) may be additionally included to change the relative resistance value to the resistance component.

The temperature controlling component is preferably at least one oxide selected from the group consisting of silicon oxide, aluminum oxide, boron oxide, and barium oxide.

The surface heating element composition may further contain, as an organic solvent, alcohols such as methyl alcohol, ethyl alcohol, isopropyl alcohol and butanol, and organic solvents such as benzene, xylene, texanol, ethylene glycol, butyl carbitol, ethyl cellosolve, glycerol, These can be used singly or in combination of two or more. Further, in place of such an organic solvent, water (water) can be used as a solvent.

Further, the surface heating element composition may further include a dispersant. The dispersing agent may be at least one selected from the group consisting of urethane type, acrylic type, phosphorus type, organic acid type and inorganic acid type.

Further, the surface heating element composition may further contain a thickener. At this time, the thickening agent is used for the workability such as the coating property in the production of the surface heating element by increasing the viscosity on the paste, and it is preferable that the thickening agent is a mixture of cellulose, polyacrylamide, polyurethane, polysaccharide, May be used.

The cooking vessel using the multi-temperature self-regulating type surface heating element according to an embodiment of the present invention shows that the curved surface heating element is constituted in an electric rice cooker.

First, an outer case 10 having a heat insulating material 11 and forming an outer structure of the rice cooker, first connection terminals 12a and 12b formed on the inner side of the outer case 10, A curved surface coating heating element 14 composed of a paste type SR (Self Regulation) heating element which is directly coated on an outer curved portion of the inner pot 15 mounted in the inner pot 15, A curved surface heating element 14 connected to the first connection terminals 12a and 12b when the inner pot 15 is mounted inside the outer case 10 and a flat coating heating element 16 composed of an SR (Self Regulation) And second connection terminals 13a and 13b for supplying power to the flat-coated heating element 16.

The curved surface coating heating element 14 and the flat coating heating element 16 are formed by curing a paste in which an electric resistance material component, an insulating binder component and a temperature control material component are mixed, And a self-regulating heating element for keeping the temperature of the predetermined region constant.

The curved coating heating element using the multi-temperature self-adjusting surface heating element according to the present invention may be coated as shown in FIGS. 2 and 3.

The reason why the composition ratios of the surface heating element compositions are different from each other is that the heating temperature range is changed when power is applied.

FIG. 2 shows a planar coating heating element formed of a paste-type SR (Self Regulation) heating element coated directly on the bottom surface of the inner pot, having different composition ratios and having a first flat heating element 16a and a second flat heating element 16b, And shows the coating structure of the coating heating element 16b.

Although it has been shown that the first and second planar coating heating elements 16a and 16b having different heating temperatures from each other constitute a multi-temperature self-regulating type surface heating element, the heating temperature section is further divided into two SR heating elements It is natural that a larger number of SR heating elements can be used to construct a multi-temperature self-regulating surface heating element.

Here, each of the first planar coating heating element 16a and the second planar coating heating element 16b has a different heating temperature and is directly coated on the bottom surface of the inner pot.

The area and shape to be coated may be spirally separated from each other in a circular area as shown in FIG. 2, and the shape of the coated area may be circular, triangular, rectangular, pentagonal, hexagonal, rhombic, And the method in which the SR heating elements are coated is preferably a spiral shape or a zigzag shape in which they are separated from each other or a modification or combination thereof.

3 shows the structure of the curved coating heating element directly coated on the curved outer surface of the inner pot. The first curved coating heating element 14a and the second curved coating heating element 14b having different composition ratios and having different heating temperature ranges, Lt; / RTI >

Although it has been shown that the first curved coating heating element 14a and the second curved coating heating element 14b having different heating temperatures are used to constitute a multi-temperature self-regulating type surface heating element, the heating temperature section is further divided into two SR heating elements It is natural that a larger number of SR heating elements can be used to construct a multi-temperature self-regulating surface heating element.

FIG. 4 is a sectional view of a heating element using a multiple temperature self-regulating type surface heating element according to an embodiment of the present invention, FIG. 5 is a cross-sectional view illustrating a configuration of a cooking vessel using a multi- .

The self-regulating surface heating element of the multi-temperature self-regulating type according to the present invention is formed by coating a paste-type SR (Self Regulation) heating element on the outer surface of the inner pot using a curved silk printing machine.

That is, the insulating paste 42 is applied to the rice cooker outer surface 41, the SR heater body paste 43 is applied on the insulating paste 42, and the outer insulator paste 44 is additionally applied to prevent the heating element portion from being damaged. And the power connection terminal is connected to the applied SR heating element paste 43. [

The cooking vessel using the multi-temperature self-regulating type surface heating element according to the present invention may be applied to a coffee pot rather than an electric rice cooker as shown in FIG.

In the case of a coffee pot, a heating element 51 or 52 using a multi-temperature self-regulating surface heating element may be formed on an inner surface and an inner bottom surface of the main body 54 made of stainless steel.

Also, a heating element 53 using a multi-temperature self-regulating surface heating element may be formed on the inner surface of the coffee pot lid in which the steam outlet 53 is formed.

In the case of the conventional coffee pot, since only the bottom portion is heated, it takes longer time to boil the water. Thus, it is possible to heat the side portion in addition to the bottom portion at the same time, thereby heating the water in a shorter time.

In addition, paste can be applied even when heat-resistant glass is used instead of plastic, which is a trend, or when stainless steel is used.

In the cooking vessel using the multi-temperature self-regulating type surface heating element according to the present invention, the curved surface heating element using the multi-temperature self-regulating type surface heating element has a self-regulating heating element (SR) And the heating means is configured to increase the efficiency of the temperature control. Thus, the temperature can be accurately controlled in a specific temperature range, and the power and temperature can be self-controlled over time.

As described above, it will be understood that the present invention is implemented in a modified form without departing from the essential characteristics of the present invention.

It is therefore to be understood that the specified embodiments are to be considered in an illustrative rather than a restrictive sense and that the scope of the invention is indicated by the appended claims rather than by the foregoing description and that all such differences falling within the scope of equivalents thereof are intended to be embraced therein It should be interpreted.

10. External case 11. Insulation
12a. 12b. First connection terminal 13a. 13b. The second connection terminal
14. Curved coating heating element 15. Inner pot
16. Flat Coating Heating Element

Claims (7)

An outer case forming an outer structure;
And a curved surface heating element formed of a self-regulating (SR) heating element in the form of a paste directly coated on an outer curved surface portion of the inner pot mounted in the outer case. . The cooking vessel as claimed in claim 1, further comprising a flat coating heating element formed of a self-regulating (SR) heating element in the form of a paste directly coated on an outer bottom surface of the inner pot. The curved surface heating element and the flat coating heat generating element according to claim 1 or 2,
A self-regulating (SR) heating element which is formed by curing a paste in which an electric resistance material component, an insulating binder component and a temperature controlling material component is cured, receives heat from the power supply, wherein the heating element is a heating element. The curved surface heating or flat coating heating element according to claim 1 or 2,
And a plurality of self-regulating (SR) heating elements having different heat generating temperature ranges are coated and spaced apart from each other. The surface heating apparatus according to claim 1,
Wherein the inner surface of the inner pot is an SR (Self Regulation) heating element in the form of a paste directly coated on the inner curved surface of the inner pot. An outer case having an insulating material and forming an outer structure of the rice cooker;
A first connection terminal formed inside the outer case;
A curved coating heating element formed of a self-regulating (SR) heating element in the form of a paste directly coated on an outer curved portion of the inner pot mounted inside the outer case;
A flat-coated heating element made of a self-regulating (SR) heating element in the form of a paste directly coated on the outer bottom surface of the inner pot;
And a second connection terminal connected to the first connection terminal to supply power to the curved coating heating element and the flat coating heating element when the inner pot is mounted inside the outer case. . [7] The curved surface heating element or the flat-coated heating element according to claim 1 or 6,
Insulating paste,
An SR heating element paste applied on the insulating paste,
And an outer insulator paste are stacked in this order.
KR1020130129736A 2013-10-30 2013-10-30 Cooking vessel with Self-Regulation Plane Multi Heating element KR102027465B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130129736A KR102027465B1 (en) 2013-10-30 2013-10-30 Cooking vessel with Self-Regulation Plane Multi Heating element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130129736A KR102027465B1 (en) 2013-10-30 2013-10-30 Cooking vessel with Self-Regulation Plane Multi Heating element

Publications (2)

Publication Number Publication Date
KR20150049329A true KR20150049329A (en) 2015-05-08
KR102027465B1 KR102027465B1 (en) 2019-10-01

Family

ID=53387426

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130129736A KR102027465B1 (en) 2013-10-30 2013-10-30 Cooking vessel with Self-Regulation Plane Multi Heating element

Country Status (1)

Country Link
KR (1) KR102027465B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170068098A (en) * 2015-12-09 2017-06-19 주식회사 대유위니아 Electric rice cooker
WO2017104893A1 (en) * 2015-12-17 2017-06-22 주식회사 대유위니아 Electric rice cooker
WO2017104894A1 (en) * 2015-12-15 2017-06-22 주식회사 대유위니아 Electric rice cooker
WO2017104892A1 (en) * 2015-12-16 2017-06-22 주식회사 대유위니아 Electric rice cooker
KR20170071929A (en) * 2015-12-16 2017-06-26 주식회사 대유위니아 Electric cooker with plate heater
KR20170082067A (en) * 2016-01-05 2017-07-13 주식회사 대유위니아 Electric rice cooker
KR20180023219A (en) * 2016-08-25 2018-03-07 주식회사 대유위니아 Electric cooker

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000217703A (en) * 1999-01-28 2000-08-08 Sharp Corp Electric rice cooker
KR20080087702A (en) * 2007-03-26 2008-10-01 니뽄 가이시 가부시키가이샤 Heating device
KR20120119058A (en) 2011-04-20 2012-10-30 (주)피엔유에코에너지 Electric rice cooker with self-regulation plane heating element and vacuum preservation method for cooked rice
KR20120119515A (en) * 2011-04-21 2012-10-31 (주)피엔유에코에너지 Electric pot with sr heating element

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000217703A (en) * 1999-01-28 2000-08-08 Sharp Corp Electric rice cooker
KR20080087702A (en) * 2007-03-26 2008-10-01 니뽄 가이시 가부시키가이샤 Heating device
KR20120119058A (en) 2011-04-20 2012-10-30 (주)피엔유에코에너지 Electric rice cooker with self-regulation plane heating element and vacuum preservation method for cooked rice
KR20120119515A (en) * 2011-04-21 2012-10-31 (주)피엔유에코에너지 Electric pot with sr heating element

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170068098A (en) * 2015-12-09 2017-06-19 주식회사 대유위니아 Electric rice cooker
WO2017104894A1 (en) * 2015-12-15 2017-06-22 주식회사 대유위니아 Electric rice cooker
WO2017104892A1 (en) * 2015-12-16 2017-06-22 주식회사 대유위니아 Electric rice cooker
KR20170071837A (en) * 2015-12-16 2017-06-26 주식회사 대유위니아 electric rice cooker
KR20170071929A (en) * 2015-12-16 2017-06-26 주식회사 대유위니아 Electric cooker with plate heater
WO2017104893A1 (en) * 2015-12-17 2017-06-22 주식회사 대유위니아 Electric rice cooker
KR20170072632A (en) * 2015-12-17 2017-06-27 주식회사 대유위니아 Electric rice cooker
KR20170082067A (en) * 2016-01-05 2017-07-13 주식회사 대유위니아 Electric rice cooker
KR20180023219A (en) * 2016-08-25 2018-03-07 주식회사 대유위니아 Electric cooker

Also Published As

Publication number Publication date
KR102027465B1 (en) 2019-10-01

Similar Documents

Publication Publication Date Title
KR20150049329A (en) Cooking vessel with Self-Regulation Plane Multi Heating element
US20160010873A1 (en) High performance surface unit for heating
CN104039030A (en) Heating coil
EP3688374A1 (en) Cooktop with a heating coating
CA2691833C (en) Product warming apparatus
CN105972570B (en) Steam generator and steaming plant
CN104837226A (en) Novel planar electric heating material
CN105992401B (en) Infrared heating device and electric heating utensil
CN202027498U (en) Electric heat towel rack
US11638330B2 (en) Food preparation apparatus with electrical PTC thermistors connected in parallel
CN206560309U (en) The interior pot of electric pressure cooking saucepan and electric pressure cooking saucepan
CN105708304A (en) Cooker body and electric cooker
CN204862601U (en) A kind of deep pot body and electric rice cooker
CN204090174U (en) A kind of Electric radiant Heating Film
CN105992405B (en) Method for manufacturing far infrared heating film and electric heating device
KR102027461B1 (en) Table with Self-Regulation Plane Multi Heating element
CN109924888A (en) Heating component and cooking apparatus
KR102027457B1 (en) Electric Range with Self-Regulation Plane Multi Heating element
KR20120119515A (en) Electric pot with sr heating element
CN207612432U (en) Heating component and cooking apparatus
CN204786617U (en) Strong radiating sealed electromagnetism boiler of high heat conduction
CN205514049U (en) Interior pot and cooking utensil
CN202852913U (en) Electric heating furnace
CN206507740U (en) A kind of vacuum electric heated filament heating kettle
CN106304433A (en) New and effective nanometer heating plate and preparation method thereof

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant